glUnmapImageCHROMIUM  116 gpu/GLES2/gl2extchromium.h GL_APICALL void GL_APIENTRY glUnmapImageCHROMIUM(GLuint image_id);
glUnmapImageCHROMIUM 1197 gpu/command_buffer/client/gles2_c_lib_autogen.h      reinterpret_cast<GLES2FunctionPointer>(glUnmapImageCHROMIUM), },
glUnmapImageCHROMIUM  179 gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc   glUnmapImageCHROMIUM(image_id);