cc: Adding ETC1 support to UIResourceBitmap and ResourceProvider

cc/resources/resource.h

Index: cc/resources/resource.h
diff --git a/cc/resources/resource.h b/cc/resources/resource.h
index 2650a0c8b6f365e9a318ac3d4fc2e663a52f906a..e5ba095aabcb5b033886eccbef98b44e633e3fa7 100644
--- a/cc/resources/resource.h
+++ b/cc/resources/resource.h
@@ -26,9 +26,16 @@ class CC_EXPORT Resource {
   size_t bytes() const;
 
   inline static size_t MemorySizeBytes(gfx::Size size, ResourceFormat format) {
-    return BytesPerPixel(format) * size.width() * size.height();
+    if (format == ETC1)
+      return ETC1SizeInBytes(size);
+    else

[kaanb, 2013/10/18 16:54:49]

nit: else is redundant

[powei, 2013/10/23 05:36:15]

Done.

+      return BytesPerPixel(format) * size.width() * size.height();
   }
 
+  // Calculates the size of the raw data in bytes given width and height of the
+  // compressed bitmap.
+  static size_t ETC1SizeInBytes(gfx::Size size);
+
  protected:
   void set_id(ResourceProvider::ResourceId id) { id_ = id; }
   void set_dimensions(gfx::Size size, ResourceFormat format) {