Update the nine patch layer to use UI resources

content/public/browser/android/compositor.h

 // 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 CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_
 
 #include "base/callback.h"
+#include "cc/resources/ui_resource_client.h"
 #include "content/common/content_export.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 
 namespace cc {
 class Layer;
 }
@@ skipping 58 matching lines @@
   // The buffer must be at least window width * height * 4 (RGBA) bytes large.
   // The buffer is not modified if false is returned.
   virtual bool CompositeAndReadback(void *pixels, const gfx::Rect& rect) = 0;
 
   // Invalidate the whole viewport.
   virtual void SetNeedsRedraw() = 0;
 
   // Composite immediately. Used in single-threaded mode.
   virtual void Composite() = 0;
 
+  // Generates a UIResource and returns a UIResourceId.  May return 0

[jdduke (slow), 2013/08/19 23:13:25]

Why not have it take a UIResourceBitmap directly? That gives us a bit more
flexibility in how we use the interface; the JavaBitmap -> UIResourceBitmap
conversion can go in some other conveniently common place.

[powei, 2013/08/20 19:59:34]

Very true.  Done.

+  virtual cc::UIResourceId GenerateUIResource(gfx::JavaBitmap& bitmap) = 0;
+
+  // Deletes a UIResource.
+  virtual void DeleteUIResource(cc::UIResourceId resource_id) = 0;
+
   // Generates an OpenGL texture and returns a texture handle.  May return 0
   // if the current context is lost.
   virtual WebKit::WebGLId GenerateTexture(gfx::JavaBitmap& bitmap) = 0;
 
   // Generates an OpenGL compressed texture and returns a texture handle.  May
   // return 0 if the current context is lost.
   virtual WebKit::WebGLId GenerateCompressedTexture(gfx::Size& size,
                                                     int data_size,
                                                     void* data) = 0;
 
@@ skipping 12 matching lines @@
   virtual bool CopyTextureToBitmap(WebKit::WebGLId texture_id,
                                    const gfx::Rect& src_rect,
                                    gfx::JavaBitmap& bitmap) = 0;
  protected:
   Compositor() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_