Revert 96327 - Switch over to using SkRegions to calculate dirty areas.

remoting/host/capturer_fake_ascii.h

Index: remoting/host/capturer_fake_ascii.h
===================================================================
--- remoting/host/capturer_fake_ascii.h	(revision 96327)
+++ remoting/host/capturer_fake_ascii.h	(working copy)
@@ -22,14 +22,13 @@
   virtual ~CapturerFakeAscii();
 
   // Capturer interface.
-  virtual void ScreenConfigurationChanged() OVERRIDE;
-  virtual media::VideoFrame::Format pixel_format() const OVERRIDE;
-  virtual void ClearInvalidRegion() OVERRIDE;
-  virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE;
-  virtual void InvalidateScreen(const gfx::Size& size) OVERRIDE;
-  virtual void InvalidateFullScreen() OVERRIDE;
-  virtual void CaptureInvalidRegion(CaptureCompletedCallback* callback)
-      OVERRIDE;
+  virtual void ScreenConfigurationChanged();
+  virtual media::VideoFrame::Format pixel_format() const;
+  virtual void ClearInvalidRects();
+  virtual void InvalidateRects(const InvalidRects& inval_rects);
+  virtual void InvalidateScreen(const gfx::Size& size);
+  virtual void InvalidateFullScreen();
+  virtual void CaptureInvalidRects(CaptureCompletedCallback* callback);
   virtual const gfx::Size& size_most_recent() const;
 
  private:
@@ -41,7 +40,7 @@
   int height_;
   int bytes_per_row_;
 
-  CapturerHelper helper_;
+  CapturerHelper helper;
 
   // We have two buffers for the screen images as required by Capturer.
   static const int kNumBuffers = 2;