diff -urNp chromium-27.0.1423.0/gpu/command_buffer/client/gles2_c_lib_autogen.h chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_c_lib_autogen.h
--- chromium-27.0.1423.0/gpu/command_buffer/client/gles2_c_lib_autogen.h	2013-02-26 21:13:32.000000000 +0100
+++ chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_c_lib_autogen.h	2013-03-01 09:51:17.618990998 +0100
@@ -355,7 +355,7 @@ void GLES2ShaderBinary(
       n, shaders, binaryformat, binary, length);
 }
 void GLES2ShaderSource(
-    GLuint shader, GLsizei count, const char** str, const GLint* length) {
+    GLuint shader, GLsizei count, const GLchar* const* str, const GLint* length) {
   gles2::GetGLContext()->ShaderSource(shader, count, str, length);
 }
 void GLES2StencilFunc(GLenum func, GLint ref, GLuint mask) {
diff -urNp chromium-27.0.1423.0/gpu/command_buffer/client/gles2_implementation.cc chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_implementation.cc
--- chromium-27.0.1423.0/gpu/command_buffer/client/gles2_implementation.cc	2013-02-26 21:13:32.000000000 +0100
+++ chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_implementation.cc	2013-03-01 10:13:31.736252009 +0100
@@ -1173,7 +1173,7 @@ void GLES2Implementation::VertexAttribDi
 }
 
 void GLES2Implementation::ShaderSource(
-    GLuint shader, GLsizei count, const char** source, const GLint* length) {
+    GLuint shader, GLsizei count, const GLchar* const* source, const GLint* length) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glShaderSource("
       << shader << ", " << count << ", "
diff -urNp chromium-27.0.1423.0/gpu/command_buffer/client/gles2_implementation_autogen.h chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_implementation_autogen.h
--- chromium-27.0.1423.0/gpu/command_buffer/client/gles2_implementation_autogen.h	2013-02-26 21:13:32.000000000 +0100
+++ chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_implementation_autogen.h	2013-03-01 09:51:54.063009066 +0100
@@ -253,7 +253,7 @@ virtual void ShaderBinary(
     GLsizei length) OVERRIDE;
 
 virtual void ShaderSource(
-    GLuint shader, GLsizei count, const char** str,
+    GLuint shader, GLsizei count, const GLchar* const* str,
     const GLint* length) OVERRIDE;
 
 virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) OVERRIDE;
diff -urNp chromium-27.0.1423.0/gpu/command_buffer/client/gles2_interface_autogen.h chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_interface_autogen.h
--- chromium-27.0.1423.0/gpu/command_buffer/client/gles2_interface_autogen.h	2013-02-26 21:13:32.000000000 +0100
+++ chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_interface_autogen.h	2013-03-01 09:52:30.427026835 +0100
@@ -152,7 +152,7 @@ virtual void ShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
     GLsizei length) = 0;
 virtual void ShaderSource(
-    GLuint shader, GLsizei count, const char** str, const GLint* length) = 0;
+    GLuint shader, GLsizei count, const GLchar* const* str, const GLint* length) = 0;
 virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) = 0;
 virtual void StencilFuncSeparate(
     GLenum face, GLenum func, GLint ref, GLuint mask) = 0;
diff -urNp chromium-27.0.1423.0/gpu/command_buffer/client/gles2_interface_stub_autogen.h chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_interface_stub_autogen.h
--- chromium-27.0.1423.0/gpu/command_buffer/client/gles2_interface_stub_autogen.h	2013-02-26 21:13:32.000000000 +0100
+++ chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_interface_stub_autogen.h	2013-03-01 09:52:47.335035412 +0100
@@ -163,7 +163,7 @@ virtual void ShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
     GLsizei length) OVERRIDE;
 virtual void ShaderSource(
-    GLuint shader, GLsizei count, const char** str,
+    GLuint shader, GLsizei count, const GLchar* const* str,
     const GLint* length) OVERRIDE;
 virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) OVERRIDE;
 virtual void StencilFuncSeparate(
diff -urNp chromium-27.0.1423.0/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
--- chromium-27.0.1423.0/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h	2013-02-26 21:13:32.000000000 +0100
+++ chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h	2013-03-01 09:53:14.119048893 +0100
@@ -310,7 +310,7 @@ void GLES2InterfaceStub::ShaderBinary(
     const void* /* binary */, GLsizei /* length */) {
 }
 void GLES2InterfaceStub::ShaderSource(
-    GLuint /* shader */, GLsizei /* count */, const char** /* str */,
+    GLuint /* shader */, GLsizei /* count */, const GLchar* const* /* str */,
     const GLint* /* length */) {
 }
 void GLES2InterfaceStub::StencilFunc(
diff -urNp chromium-27.0.1423.0/gpu/command_buffer/client/gles2_trace_implementation_autogen.h chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
--- chromium-27.0.1423.0/gpu/command_buffer/client/gles2_trace_implementation_autogen.h	2013-02-26 21:13:32.000000000 +0100
+++ chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_trace_implementation_autogen.h	2013-03-01 09:53:33.023058324 +0100
@@ -163,7 +163,7 @@ virtual void ShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
     GLsizei length) OVERRIDE;
 virtual void ShaderSource(
-    GLuint shader, GLsizei count, const char** str,
+    GLuint shader, GLsizei count, const GLchar* const* str,
     const GLint* length) OVERRIDE;
 virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) OVERRIDE;
 virtual void StencilFuncSeparate(
diff -urNp chromium-27.0.1423.0/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
--- chromium-27.0.1423.0/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h	2013-02-26 21:13:32.000000000 +0100
+++ chromium-27.0.1423.0-patched/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h	2013-03-01 09:53:52.039067741 +0100
@@ -570,7 +570,7 @@ void GLES2TraceImplementation::ShaderBin
 }
 
 void GLES2TraceImplementation::ShaderSource(
-    GLuint shader, GLsizei count, const char** str, const GLint* length) {
+    GLuint shader, GLsizei count, const GLchar* const* str, const GLint* length) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::ShaderSource");
   gl_->ShaderSource(shader, count, str, length);
 }
diff -urNp chromium-27.0.1423.0/third_party/khronos/GLES2/gl2.h chromium-27.0.1423.0-patched/third_party/khronos/GLES2/gl2.h
--- chromium-27.0.1423.0/third_party/khronos/GLES2/gl2.h	2013-02-26 21:14:05.000000000 +0100
+++ chromium-27.0.1423.0-patched/third_party/khronos/GLES2/gl2.h	2013-03-01 10:40:44.721631940 +0100
@@ -570,7 +570,7 @@ GL_APICALL void         GL_APIENTRY glRe
 GL_APICALL void         GL_APIENTRY glSampleCoverage (GLclampf value, GLboolean invert);
 GL_APICALL void         GL_APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
 GL_APICALL void         GL_APIENTRY glShaderBinary (GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length);
-GL_APICALL void         GL_APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar** string, const GLint* length);
+GL_APICALL void         GL_APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar* const* string, const GLint* length);
 GL_APICALL void         GL_APIENTRY glStencilFunc (GLenum func, GLint ref, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilFuncSeparate (GLenum face, GLenum func, GLint ref, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilMask (GLuint mask);
diff -urNp chromium-27.0.1423.0/third_party/skia/include/gpu/gl/GrGLFunctions.h chromium-27.0.1423.0-patched/third_party/skia/include/gpu/gl/GrGLFunctions.h
--- chromium-27.0.1423.0/third_party/skia/include/gpu/gl/GrGLFunctions.h	2013-02-26 21:16:11.000000000 +0100
+++ chromium-27.0.1423.0-patched/third_party/skia/include/gpu/gl/GrGLFunctions.h	2013-03-01 11:14:10.200835091 +0100
@@ -122,11 +122,11 @@ extern "C" {
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLRenderbufferStorageMultisampleCoverageProc)(GrGLenum target, GrGLsizei coverageSamples, GrGLsizei colorSamples, GrGLenum internalformat, GrGLsizei width, GrGLsizei height);
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLResolveMultisampleFramebufferProc)();
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLScissorProc)(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height);
-#if GR_USE_NEW_GL_SHADER_SOURCE_SIGNATURE
+  //#if GR_USE_NEW_GL_SHADER_SOURCE_SIGNATURE
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char* const * str, const GrGLint* length);
-#else
-    typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char** str, const GrGLint* length);
-#endif
+  //#else
+    //typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLShaderSourceProc)(GrGLuint shader, GrGLsizei count, const char** str, const GrGLint* length);
+  //#endif
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFuncProc)(GrGLenum func, GrGLint ref, GrGLuint mask);
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilFuncSeparateProc)(GrGLenum face, GrGLenum func, GrGLint ref, GrGLuint mask);
     typedef GrGLvoid (GR_GL_FUNCTION_TYPE* GrGLStencilMaskProc)(GrGLuint mask);
diff -urNp chromium-27.0.1423.0/ui/gl/generate_bindings.py chromium-27.0.1423.0-patched/ui/gl/generate_bindings.py
--- chromium-27.0.1423.0/ui/gl/generate_bindings.py	2013-02-26 21:15:07.000000000 +0100
+++ chromium-27.0.1423.0-patched/ui/gl/generate_bindings.py	2013-03-01 13:42:21.501462253 +0100
@@ -482,7 +482,7 @@ GL_FUNCTIONS = [
 { 'return_type': 'void',
   'names': ['glShaderSource'],
   'arguments':
-      'GLuint shader, GLsizei count, const char** str, const GLint* length',
+      'GLuint shader, GLsizei count, const GLchar* const* str, const GLint* length',
   'logging_code': """
   GL_SERVICE_LOG_CODE_BLOCK({
     for (GLsizei ii = 0; ii < count; ++ii) {
@@ -1421,9 +1421,9 @@ namespace gfx {
     file.write('static %s GL_BINDING_CALL Debug_%s(%s) {\n' %
         (return_type, names[0], arguments))
     argument_names = re.sub(
-        r'(const )?[a-zA-Z0-9_]+\** ([a-zA-Z0-9_]+)', r'\2', arguments)
+        r'(const )?[a-zA-Z0-9_]+\**( const\*)? ([a-zA-Z0-9_]+)', r'\3', arguments)
     argument_names = re.sub(
-        r'(const )?[a-zA-Z0-9_]+\** ([a-zA-Z0-9_]+)', r'\2', argument_names)
+        r'(const )?[a-zA-Z0-9_]+\**( const\*)? ([a-zA-Z0-9_]+)', r'\3', argument_names)
     log_argument_names = re.sub(
         r'const char\* ([a-zA-Z0-9_]+)', r'CONSTCHAR_\1', arguments)
     log_argument_names = re.sub(
@@ -1434,10 +1434,10 @@ namespace gfx {
     log_argument_names = re.sub(
         r'(?<!E)GLboolean ([a-zA-Z0-9_]+)', r'GLboolean_\1', log_argument_names)
     log_argument_names = re.sub(
-        r'(const )?[a-zA-Z0-9_]+\** ([a-zA-Z0-9_]+)', r'\2',
+        r'(const )?[a-zA-Z0-9_]+\**( const\*)? ([a-zA-Z0-9_]+)', r'\3',
         log_argument_names)
     log_argument_names = re.sub(
-        r'(const )?[a-zA-Z0-9_]+\** ([a-zA-Z0-9_]+)', r'\2',
+        r'(const )?[a-zA-Z0-9_]+\**( const\*)? ([a-zA-Z0-9_]+)', r'\3',
         log_argument_names)
     log_argument_names = re.sub(
         r'CONSTVOID_([a-zA-Z0-9_]+)',
@@ -1584,7 +1584,7 @@ namespace gfx {
     file.write('\n')
     file.write('%s GL_BINDING_CALL Mock_%s(%s) {\n' %
         (func['return_type'], func['names'][0], func['arguments']))
-    argument_names = re.sub(r'(const )?[a-zA-Z0-9]+\** ([a-zA-Z0-9]+)', r'\2',
+    argument_names = re.sub(r'(const )?[a-zA-Z0-9]+\**( const\*)? ([a-zA-Z0-9]+)', r'\3',
                               func['arguments'])
     if argument_names == 'void':
       argument_names = ''
diff -urNp chromium-27.0.1423.0/ui/gl/gl_bindings_skia_in_process.cc chromium-27.0.1423.0-patched/ui/gl/gl_bindings_skia_in_process.cc
--- chromium-27.0.1423.0/ui/gl/gl_bindings_skia_in_process.cc	2013-02-26 21:15:07.000000000 +0100
+++ chromium-27.0.1423.0-patched/ui/gl/gl_bindings_skia_in_process.cc	2013-03-01 11:58:30.892172904 +0100
@@ -365,7 +365,7 @@ GLvoid StubGLScissor(GLint x, GLint y, G
   glScissor(x, y, width, height);
 }
 
-GLvoid StubGLShaderSource(GLuint shader, GLsizei count, const char** str,
+GLvoid StubGLShaderSource(GLuint shader, GLsizei count, const GLchar* const* str,
                           const GLint* length) {
   glShaderSource(shader, count, str, length);
 }