Expose GpuMemoryBufferId through glGetImageivCHROMIUM.

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index 3d3284d37c339d3d92e5117bfc33c3251ee2f0b6..550ae198b0f3ffe8708b8f968b9acd41296e94d0 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1316,6 +1316,11 @@ GLES2CreateGpuMemoryBufferImageCHROMIUM(GLsizei width,
   return gles2::GetGLContext()->CreateGpuMemoryBufferImageCHROMIUM(
       width, height, internalformat, usage);
 }
+void GL_APIENTRY GLES2GetImageivCHROMIUM(GLuint image_id,
+                                         GLenum param,
+                                         GLint* data) {
+  gles2::GetGLContext()->GetImageivCHROMIUM(image_id, param, data);
+}
 void GL_APIENTRY GLES2GetTranslatedShaderSourceANGLE(GLuint shader,
                                                      GLsizei bufsize,
                                                      GLsizei* length,
@@ -2701,6 +2706,10 @@ extern const NameToFunc g_gles2_function_table[] = {
             glCreateGpuMemoryBufferImageCHROMIUM),
     },
     {
+        "glGetImageivCHROMIUM",
+        reinterpret_cast<GLES2FunctionPointer>(glGetImageivCHROMIUM),
+    },
+    {
         "glGetTranslatedShaderSourceANGLE",
         reinterpret_cast<GLES2FunctionPointer>(
             glGetTranslatedShaderSourceANGLE),