[Android] Add a native pull-to-refresh overscroll effect

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 546bf4057a5a9f8488629851c359f68f4ee2cebc..1db6c4b1cc4ecb91f27b8370e7adf2c9f34bda0d 100644
--- a/ui/gfx/android/java_bitmap.h
+++ b/ui/gfx/android/java_bitmap.h
@@ -58,13 +58,6 @@ GFX_EXPORT base::android::ScopedJavaLocalRef<jobject> CreateJavaBitmap(
     int height,
     SkColorType color_type);
 
-// 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
 // RGB_565 formats.