[Android] Use UIResource for overscroll glow

ui/gfx/android/java_bitmap.h

Index: ui/gfx/android/java_bitmap.h
diff --git a/ui/gfx/android/java_bitmap.h b/ui/gfx/android/java_bitmap.h
index befb09b7361b1cd93e3ada08b18d7a1ee556c3b7..34cd26af63d5e1f7e0d7813c14007c73446e2204 100644
--- a/ui/gfx/android/java_bitmap.h
+++ b/ui/gfx/android/java_bitmap.h
@@ -57,12 +57,12 @@ GFX_EXPORT base::android::ScopedJavaLocalRef<jobject> CreateJavaBitmap(
     int height,
     SkColorType color_type);
 
-// Loads a Java-backed bitmap (android.graphics.Bitmap) from the provided
-// drawable resource identifier (e.g., android:drawable/overscroll_glow). If the
-// resource loads successfully, it will be integrally scaled down, preserving
-// aspect ratio, to a size no smaller than |size|. Otherwise, null is returned.
-GFX_EXPORT base::android::ScopedJavaLocalRef<jobject>
-    CreateJavaBitmapFromAndroidResource(const char* name, gfx::Size size);
+// Loads an SkBitmap from the provided drawable resource identifier (e.g.,
+// android:drawable/overscroll_glow). If the resource loads successfully, it
+// will be integrally scaled down, preserving aspect ratio, to a size no smaller
+// than |size|. Otherwise, an empty bitmap is returned.
+GFX_EXPORT SkBitmap
+    CreateSkBitmapFromAndroidResource(const char* name, gfx::Size size);
 
 // Converts |skbitmap| to a Java-backed bitmap (android.graphics.Bitmap).
 // Note: |skbitmap| is assumed to be non-null, non-empty and one of RGBA_8888 or