Move core pieces of browser\renderer_host to src\content.

chrome/browser/renderer_host/backing_store.h

Index: chrome/browser/renderer_host/backing_store.h
===================================================================
--- chrome/browser/renderer_host/backing_store.h	(revision 75488)
+++ chrome/browser/renderer_host/backing_store.h	(working copy)
@@ -6,70 +6,7 @@
 #define CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_H_
 #pragma once
 
-#include <vector>
+// TODO(jam): remove this file when all files have been converted.
+#include "content/browser/renderer_host/backing_store.h"
 
-#include "app/surface/transport_dib.h"
-#include "base/basictypes.h"
-#include "ui/gfx/size.h"
-
-class RenderProcessHost;
-class RenderWidgetHost;
-
-namespace gfx {
-class Rect;
-}
-
-namespace skia {
-class PlatformCanvas;
-}
-
-// Represents a backing store for the pixels in a RenderWidgetHost.
-class BackingStore {
- public:
-  virtual ~BackingStore();
-
-  RenderWidgetHost* render_widget_host() const { return render_widget_host_; }
-  const gfx::Size& size() { return size_; }
-
-  // The number of bytes that this backing store consumes. The default
-  // implementation just assumes there's 32 bits per pixel over the current
-  // size of the screen. Implementations may override this if they have more
-  // information about the color depth.
-  virtual size_t MemorySize();
-
-  // Paints the bitmap from the renderer onto the backing store.  bitmap_rect
-  // gives the location of bitmap, and copy_rects specifies the subregion(s) of
-  // the backingstore to be painted from the bitmap.
-  virtual void PaintToBackingStore(
-      RenderProcessHost* process,
-      TransportDIB::Id bitmap,
-      const gfx::Rect& bitmap_rect,
-      const std::vector<gfx::Rect>& copy_rects) = 0;
-
-  // Extracts the gives subset of the backing store and copies it to the given
-  // PlatformCanvas. The PlatformCanvas should not be initialized. This function
-  // will call initialize() with the correct size. The return value indicates
-  // success.
-  virtual bool CopyFromBackingStore(const gfx::Rect& rect,
-                                    skia::PlatformCanvas* output) = 0;
-
-  // Scrolls the contents of clip_rect in the backing store by dx or dy (but dx
-  // and dy cannot both be non-zero).
-  virtual void ScrollBackingStore(int dx, int dy,
-                                  const gfx::Rect& clip_rect,
-                                  const gfx::Size& view_size) = 0;
- protected:
-  // Can only be constructed via subclasses.
-  BackingStore(RenderWidgetHost* widget, const gfx::Size& size);
-
- private:
-  // The owner of this backing store.
-  RenderWidgetHost* render_widget_host_;
-
-  // The size of the backing store.
-  gfx::Size size_;
-
-  DISALLOW_COPY_AND_ASSIGN(BackingStore);
-};
-
 #endif  // CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_H_