Expose GpuMemoryBufferId through glGetImageivCHROMIUM.

gpu/gles2_conform_support/egl/context.cc

 // Copyright (c) 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/gles2_conform_support/egl/context.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
@@ skipping 163 matching lines @@
 }
 
 int32_t Context::CreateGpuMemoryBufferImage(size_t width,
                                             size_t height,
                                             unsigned internalformat,
                                             unsigned usage) {
   NOTIMPLEMENTED();
   return -1;
 }
 
+int32_t Context::GetImageGpuMemoryBufferId(unsigned image_id) {
+  NOTIMPLEMENTED();
+  return -1;
+}
+
 void Context::SignalQuery(uint32_t query, const base::Closure& callback) {
   NOTIMPLEMENTED();
 }
 
 void Context::SetLock(base::Lock*) {
   NOTIMPLEMENTED();
 }
 
 void Context::EnsureWorkVisible() {
   // This is only relevant for out-of-process command buffers.
@@ skipping 192 matching lines @@
     return false;
   if (!gl_context_->MakeCurrent(gl_surface)) {
     MarkServiceContextLost();
     return false;
   }
   client_gl_context_->Flush();
   return true;
 }
 
 }  // namespace egl