Update the nine patch layer to use UI resources

cc/resources/ui_resource_bitmap.cc

Index: cc/resources/ui_resource_bitmap.cc
diff --git a/cc/resources/ui_resource_bitmap.cc b/cc/resources/ui_resource_bitmap.cc
index 8bbfb37deee70a1ebaede084bea89fcc1361064d..852b6c0db1acdea293c72a21a6d3bcf3367ddf94 100644
--- a/cc/resources/ui_resource_bitmap.cc
+++ b/cc/resources/ui_resource_bitmap.cc
@@ -4,7 +4,9 @@
 
 #include "cc/resources/ui_resource_bitmap.h"
 
+#include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 
 namespace cc {
 
@@ -12,6 +14,9 @@ scoped_refptr<UIResourceBitmap>
 UIResourceBitmap::Create(uint8_t* pixels,
                          UIResourceFormat format,
                          gfx::Size size) {
+  // Check for a non-empty bitmap.
+  DCHECK(size.width() && size.height());
+
   scoped_refptr<UIResourceBitmap> ret = new UIResourceBitmap();
   ret->pixels_ = scoped_ptr<uint8_t[]>(pixels);
   ret->format_ = format;
@@ -21,6 +26,18 @@ UIResourceBitmap::Create(uint8_t* pixels,
 }
 
 UIResourceBitmap::UIResourceBitmap() {}
+
 UIResourceBitmap::~UIResourceBitmap() {}
 
+scoped_refptr<UIResourceBitmap> UIResourceBitmap::CreateFromSkBitmap(
+    const SkBitmap& skbitmap) {
+  DCHECK_EQ(skbitmap.config(), SkBitmap::kARGB_8888_Config);
+
+  gfx::Size size(skbitmap.width(), skbitmap.height());
+  uint8_t* dst_pixels = new uint8_t[size.GetArea() * 4];
+  uint8_t* src_pixels = static_cast<uint8_t*>(skbitmap.getPixels());
+  memcpy(dst_pixels, src_pixels, size.GetArea() * 4);
+  return UIResourceBitmap::Create(dst_pixels, UIResourceBitmap::RGBA8, size);
+}
+
 }  // namespace cc