Make TestPlugin allocate its bitmap with SharedBitmapManager

content/public/test/mock_render_thread.cc

Index: content/public/test/mock_render_thread.cc
diff --git a/content/public/test/mock_render_thread.cc b/content/public/test/mock_render_thread.cc
index 96bce949bbcc488081205588a57c2e990e82ffc8..766008de910d6c6ce66695dac8d207f093fa1e67 100644
--- a/content/public/test/mock_render_thread.cc
+++ b/content/public/test/mock_render_thread.cc
@@ -146,6 +146,10 @@ scoped_ptr<base::SharedMemory>
   return scoped_ptr<base::SharedMemory>(shared_buf.release());
 }
 
+cc::SharedBitmapManager* MockRenderThread::GetSharedBitmapManager() {
+  return &shared_bitmap_manager_;
+}
+
 void MockRenderThread::RegisterExtension(v8::Extension* extension) {
   blink::WebScriptController::registerExtension(extension);
 }