Remove Tabpose feature on mac, and supporting infrastructure (PaintAtSize)

chrome/browser/thumbnails/render_widget_snapshot_taker.h

Index: chrome/browser/thumbnails/render_widget_snapshot_taker.h
diff --git a/chrome/browser/thumbnails/render_widget_snapshot_taker.h b/chrome/browser/thumbnails/render_widget_snapshot_taker.h
deleted file mode 100644
index 3f8c777f32a804261562feab16b3887042177035..0000000000000000000000000000000000000000
--- a/chrome/browser/thumbnails/render_widget_snapshot_taker.h
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright (c) 2012 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_BROWSER_THUMBNAILS_RENDER_WIDGET_SNAPSHOT_TAKER_H_
-#define CHROME_BROWSER_THUMBNAILS_RENDER_WIDGET_SNAPSHOT_TAKER_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "base/callback_forward.h"
-#include "base/gtest_prod_util.h"
-#include "base/memory/linked_ptr.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-
-class SkBitmap;
-
-namespace content {
-class RenderWidgetHost;
-}
-
-namespace gfx {
-class Size;
-}
-
-class RenderWidgetSnapshotTaker : public content::NotificationObserver {
- public:
-  typedef base::Callback<void(const SkBitmap&)> SnapshotReadyCallback;
-
-  RenderWidgetSnapshotTaker();
-  virtual ~RenderWidgetSnapshotTaker();
-
-  // This registers a callback that can receive the resulting SkBitmap
-  // from the renderer when it is done rendering it.  This is asynchronous,
-  // and it will also fetch the bitmap even if the tab is hidden.
-  // In addition, if the renderer has to be invoked, the scaling of
-  // the thumbnail happens on the rendering thread.
-  //
-  // Takes ownership of the callback object.
-  //
-  // |page_size| is the size to render the page, and |desired_size| is
-  // the size to scale the resulting rendered page to (which is done
-  // efficiently if done in the rendering thread). The resulting image
-  // will be less then twice the size of the |desired_size| in both
-  // dimensions, but might not be the exact size requested.
-  void AskForSnapshot(content::RenderWidgetHost* renderer,
-                      const SnapshotReadyCallback& callback,
-                      gfx::Size page_size,
-                      gfx::Size desired_size);
-
-  // Cancel any pending snapshots requested via AskForSnapshot.
-  void CancelSnapshot(content::RenderWidgetHost* renderer);
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(RenderWidgetSnapshotTakerTest,
-                           WidgetDidReceivePaintAtSizeAck);
-  FRIEND_TEST_ALL_PREFIXES(RenderWidgetSnapshotTakerTest,
-                           WidgetDidReceivePaintAtSizeAckFail);
-
-  // content::NotificationObserver overrides.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  // Start or stop monitoring notifications for |renderer| based on the value
-  // of |monitor|.
-  void MonitorRenderer(content::RenderWidgetHost* renderer, bool monitor);
-
-  void WidgetDidReceivePaintAtSizeAck(content::RenderWidgetHost* widget,
-                                      int tag,
-                                      const gfx::Size& size);
-
-  content::NotificationRegistrar registrar_;
-
-  // Map of callback objects by sequence number.
-  struct AsyncRequestInfo;
-  typedef std::map<int,
-                   linked_ptr<AsyncRequestInfo> > SnapshotCallbackMap;
-  SnapshotCallbackMap callback_map_;
-
-  // Count of how many outstanding snapshot requests there are for each
-  // RenderWidgetHost.
-  std::map<content::RenderWidgetHost*, int> host_monitor_counts_;
-
-  DISALLOW_COPY_AND_ASSIGN(RenderWidgetSnapshotTaker);
-};
-
-#endif  // CHROME_BROWSER_THUMBNAILS_RENDER_WIDGET_SNAPSHOT_TAKER_H_