Make TestPlugin allocate its bitmap with SharedBitmapManager

content/public/renderer/render_thread.h

Index: content/public/renderer/render_thread.h
diff --git a/content/public/renderer/render_thread.h b/content/public/renderer/render_thread.h
index 38006d81d43322593d8076ef1c57e74d2c622b2c..d3444350c0cbdb8139bc36bcbf82fe5bbeacc234 100644
--- a/content/public/renderer/render_thread.h
+++ b/content/public/renderer/render_thread.h
@@ -25,6 +25,10 @@ class MessageLoopProxy;
 class WaitableEvent;
 }
 
+namespace cc {
+class SharedBitmapManager;
+}
+
 namespace IPC {
 class MessageFilter;
 class SyncChannel;
@@ -102,6 +106,8 @@ class CONTENT_EXPORT RenderThread : public IPC::Sender {
   virtual scoped_ptr<base::SharedMemory> HostAllocateSharedMemoryBuffer(
       size_t buffer_size) = 0;
 
+  virtual cc::SharedBitmapManager* GetSharedBitmapManager() = 0;
+
   // Registers the given V8 extension with WebKit.
   virtual void RegisterExtension(v8::Extension* extension) = 0;