command_buffer: Implement EXT_blend_func_extended

gpu/command_buffer/client/gles2_interface_stub_autogen.h

Index: gpu/command_buffer/client/gles2_interface_stub_autogen.h
diff --git a/gpu/command_buffer/client/gles2_interface_stub_autogen.h b/gpu/command_buffer/client/gles2_interface_stub_autogen.h
index 4ef2d15836a171453e1cbfb850b3e004d2674728..7057f3425c93d7ca611f9005d80793b008db17d0 100644
--- a/gpu/command_buffer/client/gles2_interface_stub_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_stub_autogen.h
@@ -845,4 +845,12 @@ void ProgramPathFragmentInputGenCHROMIUM(GLuint program,
                                          const GLfloat* coeffs) override;
 GLenum GetGraphicsResetStatusKHR() override;
 void BlendBarrierKHR() override;
+void BindFragDataLocationIndexedEXT(GLuint program,
+                                    GLuint colorNumber,
+                                    GLuint index,
+                                    const char* name) override;
+void BindFragDataLocationEXT(GLuint program,
+                             GLuint colorNumber,
+                             const char* name) override;
+GLint GetFragDataIndexEXT(GLuint program, const char* name) override;
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_INTERFACE_STUB_AUTOGEN_H_