Reintroduce getViewportSizeOffsetWidth/HeightPix for downstream callers.

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index 9ea18212eb3dba253af4792e97a509adc96ba698..51546edc5b316f8b3d0f4d90dbec48a71d4a5f6a 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -931,6 +931,10 @@ public class ContentViewCore
     @CalledByNative
     public int getPhysicalBackingHeightPix() { return mPhysicalBackingHeightPix; }
 
+    /* TODO(aelias): Remove these when downstream callers disappear. */
+    public int getViewportSizeOffsetWidthPix() { return 0; }
+    public int getViewportSizeOffsetHeightPix() { return getTopControlsLayoutHeightPix(); }
+
     /**
      * @return The amount that the viewport size given to Blink is shrunk by the URL-bar..
      */