Clear RenderThread of any Chrome specific code, and move a bunch of stuff out of RenderView.

chrome/renderer/chrome_render_observer.h

-// Copyright (c) 2011 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 CHROME_RENDERER_CHROME_RENDER_OBSERVER_H_
-#define CHROME_RENDERER_CHROME_RENDER_OBSERVER_H_
-#pragma once
-
-#include "base/task.h"
-#include "content/renderer/render_view_observer.h"
-
-class SkBitmap;
-class TranslateHelper;
-struct ThumbnailScore;
-
-namespace WebKit {
-class WebView;
-}
-
-namespace safe_browsing {
-class PhishingClassifierDelegate;
-}
-
-// This class holds the Chrome specific parts of RenderView, and has the same
-// lifetime.
-class ChromeRenderObserver : public RenderViewObserver {
- public:
-  // translate_helper and/or phishing_classifier can be NULL.
-  ChromeRenderObserver(
-      RenderView* render_view,
-      TranslateHelper* translate_helper,
-      safe_browsing::PhishingClassifierDelegate* phishing_classifier);
-  virtual ~ChromeRenderObserver();
-
- private:
-  // RenderViewObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-  virtual void DidStopLoading() OVERRIDE;
-  virtual void DidCommitProvisionalLoad(WebKit::WebFrame* frame,
-                                        bool is_new_navigation) OVERRIDE;
-
-  void OnCaptureSnapshot();
-
-  // Captures the thumbnail and text contents for indexing for the given load
-  // ID. If the view's load ID is different than the parameter, this call is
-  // a NOP. Typically called on a timer, so the load ID may have changed in the
-  // meantime.
-  void CapturePageInfo(int load_id, bool preliminary_capture);
-
-  // Retrieves the text from the given frame contents, the page text up to the
-  // maximum amount kMaxIndexChars will be placed into the given buffer.
-  void CaptureText(WebKit::WebFrame* frame, string16* contents);
-
-  void CaptureThumbnail();
-
-  // Creates a thumbnail of |frame|'s contents resized to (|w|, |h|)
-  // and puts that in |thumbnail|. Thumbnail metadata goes in |score|.
-  bool CaptureFrameThumbnail(WebKit::WebView* view, int w, int h,
-                             SkBitmap* thumbnail,
-                             ThumbnailScore* score);
-
-  // Capture a snapshot of a view.  This is used to allow an extension
-  // to get a snapshot of a tab using chrome.tabs.captureVisibleTab().
-  bool CaptureSnapshot(WebKit::WebView* view, SkBitmap* snapshot);
-
-  // Has the same lifetime as us.
-  TranslateHelper* translate_helper_;
-  safe_browsing::PhishingClassifierDelegate* phishing_classifier_;
-  
-  // Page_id from the last page we indexed. This prevents us from indexing the
-  // same page twice in a row.
-  int32 last_indexed_page_id_;
-
-  ScopedRunnableMethodFactory<ChromeRenderObserver> page_info_method_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeRenderObserver);
-};
-
-#endif  // CHROME_RENDERER_CHROME_OBSERVER_H_