Make WebTestProxy handle printing + compositing mode

content/shell/renderer/test_runner/WebTestProxy.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTESTPROXY_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTESTPROXY_H_
 
 #include <deque>
 #include <map>
 #include <string>
@@ skipping 81 matching lines @@
 
     blink::WebSpellCheckClient *spellCheckClient() const;
     blink::WebColorChooser* createColorChooser(blink::WebColorChooserClient*, const blink::WebColor&, const blink::WebVector<blink::WebColorSuggestion>& suggestions);
     bool runFileChooser(const blink::WebFileChooserParams&, blink::WebFileChooserCompletion*);
     void showValidationMessage(const blink::WebRect& anchorInRootView, const blink::WebString& mainText, const blink::WebString& supplementalText, blink::WebTextDirection);
     void hideValidationMessage();
     void moveValidationMessage(const blink::WebRect& anchorInRootView);
 
     std::string captureTree(bool debugRenderTree);
     SkCanvas* capturePixels();
+    void CapturePixelsForPrinting(
+        base::Callback<void(const SkBitmap&)> callback);
     void CapturePixelsAsync(base::Callback<void(const SkBitmap&)> callback);
 
     void setLogConsoleOutput(bool enabled);
 
     // FIXME: Make this private again.
     void scheduleComposite();
 
     void didOpenChooser();
     void didCloseChooser();
     bool isChooserShown();
@@ skipping 259 matching lines @@
         WebTestProxyBase::postSpellCheckEvent(eventName);
     }
 
 private:
     DISALLOW_COPY_AND_ASSIGN(WebTestProxy);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTESTPROXY_H_