BrowserPlugin: Interstitial Pages work

content/renderer/child_frame_compositing_helper.cc

 // Copyright 2014 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 "content/renderer/child_frame_compositing_helper.h"
 
 #include "cc/blink/web_layer_impl.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
 #include "cc/layers/delegated_renderer_layer.h"
@@ skipping 473 matching lines @@
     resource_collection_->SetClient(this);
   }
   if (!frame_provider_.get() || frame_provider_->frame_size() != frame_size) {
     frame_provider_ = new cc::DelegatedFrameProvider(
         resource_collection_.get(), frame->delegated_frame_data.Pass());
     if (delegated_layer_.get())
       delegated_layer_->RemoveFromParent();
     delegated_layer_ =
         cc::DelegatedRendererLayer::Create(frame_provider_.get());
     delegated_layer_->SetIsDrawable(true);
+    buffer_size_ = gfx::Size();
     SetContentsOpaque(opaque_);
     background_layer_->AddChild(delegated_layer_);
   } else {
     frame_provider_->SetFrameData(frame->delegated_frame_data.Pass());
   }
 
   CheckSizeAndAdjustLayerProperties(
       frame_data->render_pass_list.back()->output_rect.size(),
       frame->metadata.device_scale_factor,
       delegated_layer_.get());
@@ skipping 54 matching lines @@
                                       dest_size.height());
   }
   if (GetBrowserPluginManager()) {
     GetBrowserPluginManager()->Send(
         new BrowserPluginHostMsg_CopyFromCompositingSurfaceAck(
             host_routing_id_, GetInstanceID(), request_id, resized_bitmap));
   }
 }
 
 }  // namespace content