cc: Route offscreen context creation for compositor to the browser.

cc/test/test_web_graphics_context_3d.cc

 // Copyright 2011 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 "cc/test/test_web_graphics_context_3d.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/logging.h"
@@ skipping 284 matching lines @@
   context_lost_callback_ = callback;
 }
 
 void TestWebGraphicsContext3D::loseContextCHROMIUM(WGC3Denum current,
                                                    WGC3Denum other) {
   if (context_lost_)
     return;
   context_lost_ = true;
   if (context_lost_callback_)
     context_lost_callback_->onContextLost();
+
+  for (size_t i = 0; i < shared_contexts_.size(); ++i)
+    shared_contexts_[i]->loseContextCHROMIUM(current, other);
+  shared_contexts_.clear();
 }
 
 WebKit::WebGLId TestWebGraphicsContext3D::NextTextureId() {
   WebGLId texture_id = next_texture_id_++;
   DCHECK(texture_id < (1 << 16));
   texture_id |= context_id_ << 16;
   return texture_id;
 }
 
 }  // namespace cc