[Andorid] Migrate to ClipDrawable progress bar.

ui/android/java/src/org/chromium/ui/resources/dynamics/ViewResourceAdapter.java

Index: ui/android/java/src/org/chromium/ui/resources/dynamics/ViewResourceAdapter.java
diff --git a/ui/android/java/src/org/chromium/ui/resources/dynamics/ViewResourceAdapter.java b/ui/android/java/src/org/chromium/ui/resources/dynamics/ViewResourceAdapter.java
index d17ff8fe299ab9e6e35261d4bacbb470d875d892..cf45b2f4d4ecd8e77e8137907ada48d7b04e0291 100644
--- a/ui/android/java/src/org/chromium/ui/resources/dynamics/ViewResourceAdapter.java
+++ b/ui/android/java/src/org/chromium/ui/resources/dynamics/ViewResourceAdapter.java
@@ -118,6 +118,13 @@ public class ViewResourceAdapter implements DynamicResource, OnLayoutChangeListe
     }
 
     /**
+     * @return Dirty rect that will be drawn on capture.
+     */
+    protected Rect getDirtyRect() {
+        return mDirtyRect;
+    }
+
+    /**
      * Called before {@link #capture(Canvas)} is called.
      * @param canvas    The {@link Canvas} that will be drawn to.
      * @param dirtyRect The dirty {@link Rect} or {@code null} if the entire area is being redrawn.