Move download messages from Renderer to Frame filter.

components/test_runner/pixel_dump.cc

 // Copyright 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 "components/test_runner/pixel_dump.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 167 matching lines @@
 
 void CopyImageAtAndCapturePixels(
     blink::WebView* web_view,
     int x,
     int y,
     const base::Callback<void(const SkBitmap&)>& callback) {
   DCHECK(!callback.is_null());
   uint64_t sequence_number =
       blink::Platform::current()->clipboard()->sequenceNumber(
           blink::WebClipboard::Buffer());
-  web_view->copyImageAt(blink::WebPoint(x, y));
+  web_view->mainFrame()->copyImageAt(blink::WebPoint(x, y));

[Charlie Reis, 2016/06/07 22:51:25]

Let's add:
// TODO(lukasza): Support image capture in OOPIFs for https://crbug.com/477150.

   if (sequence_number ==
       blink::Platform::current()->clipboard()->sequenceNumber(
           blink::WebClipboard::Buffer())) {
     SkBitmap emptyBitmap;
     callback.Run(emptyBitmap);
     return;
   }
 
   blink::WebImage image = static_cast<blink::WebMockClipboard*>(
                               blink::Platform::current()->clipboard())
                               ->readRawImage(blink::WebClipboard::Buffer());
   const SkBitmap& bitmap = image.getSkBitmap();
   SkAutoLockPixels autoLock(bitmap);
   callback.Run(bitmap);
 }
 
 }  // namespace test_runner