Split DumpPixelsAsync in pixel_dump.h into more granular functions.

content/shell/test_runner/test_runner.h

 // 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.
 
 #ifndef CONTENT_SHELL_TEST_RUNNER_TEST_RUNNER_H_
 #define CONTENT_SHELL_TEST_RUNNER_TEST_RUNNER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 75 matching lines @@
 
   bool UseMockTheme() const { return use_mock_theme_; }
 
   // WebTestRunner implementation.
   bool ShouldGeneratePixelResults() override;
   bool ShouldDumpAsAudio() const override;
   void GetAudioData(std::vector<unsigned char>* buffer_view) const override;
   bool IsRecursiveLayoutDumpRequested() override;
   std::string DumpLayout(blink::WebLocalFrame* frame) override;
   void DumpPixelsAsync(
-      blink::WebView* web_view,
-      const base::Callback<void(const SkBitmap&)>& callback) override;
+      blink::WebLocalFrame* frame,
+      base::OnceCallback<void(const SkBitmap&)> callback) override;
   void ReplicateLayoutTestRuntimeFlagsChanges(
       const base::DictionaryValue& changed_values) override;
   bool HasCustomTextDump(std::string* custom_text_dump) const override;
   bool ShouldDumpBackForwardList() const override;
   blink::WebContentSettingsClient* GetWebContentSettings() const override;
   blink::WebTextCheckClient* GetWebTextCheckClient() const override;
   void InitializeWebViewWithMocks(blink::WebView* web_view) override;
   void SetFocus(blink::WebView* web_view, bool focus) override;
 
   // Methods used by WebViewTestClient and WebFrameTestClient.
@@ skipping 551 matching lines @@
   bool disable_v8_cache_ = false;
 
   base::WeakPtrFactory<TestRunner> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace test_runner
 
 #endif  // CONTENT_SHELL_TEST_RUNNER_TEST_RUNNER_H_