Migrate Telemetry from beginWindowSnapshotPNG to Page.captureScreenshot

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 7d493daee56ffb1963a31ce773ae69a13f391fe7..284210631a81a469f65236d64c30ed686ac07d5c 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -335,13 +335,6 @@ class CONTENT_EXPORT RenderViewImpl
   // supported PPAPI plug-ins.
   bool HasIMETextFocus();
 
-  // Callback for use with GetWindowSnapshot.
-  typedef base::Callback<void(
-      const gfx::Size&, const std::vector<unsigned char>&)>
-      WindowSnapshotCallback;
-
-  void GetWindowSnapshot(const WindowSnapshotCallback& callback);
-
   // Dispatches the current navigation state to the browser. Called on a
   // periodic timer so we don't send too many messages.
   void SyncNavigationState();
@@ -761,8 +754,7 @@ class CONTENT_EXPORT RenderViewImpl
   void OnZoom(PageZoom zoom);
   void OnEnableViewSourceMode();
   void OnDisownOpener();
-  void OnWindowSnapshotCompleted(const int snapshot_id,
-      const gfx::Size& size, const std::vector<unsigned char>& png);
+  void OnForceRedraw(int request_id);
   void OnSelectWordAroundCaret();
 #if defined(OS_ANDROID)
   void OnActivateNearestFindResult(int request_id, float x, float y);
@@ -1180,11 +1172,6 @@ class CONTENT_EXPORT RenderViewImpl
   // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
   scoped_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
 
-  // State associated with the GetWindowSnapshot function.
-  int next_snapshot_id_;
-  typedef std::map<int, WindowSnapshotCallback> PendingSnapshotMap;
-  PendingSnapshotMap pending_snapshots_;
-
   // This field stores drag/drop related info for the event that is currently
   // being handled. If the current event results in starting a drag/drop
   // session, this info is sent to the browser along with other drag/drop info.