glMapImageCHROMIUM  115 gpu/GLES2/gl2extchromium.h GL_APICALL void* GL_APIENTRY glMapImageCHROMIUM(GLuint image_id, GLenum access);
glMapImageCHROMIUM 1195 gpu/command_buffer/client/gles2_c_lib_autogen.h      reinterpret_cast<GLES2FunctionPointer>(glMapImageCHROMIUM), },
glMapImageCHROMIUM  157 gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc       glMapImageCHROMIUM(image_id, GL_READ_WRITE));