Delete code involving overdraw bottom height.

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

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.SearchManager;
@@ skipping 1037 matching lines @@
     }
 
     /**
      * @return Height of underlying physical surface.
      */
     @CalledByNative
     private int getPhysicalBackingHeightPix() {
         return mPhysicalBackingHeightPix;
     }
 
-    /* TODO(aelias): Remove these when downstream callers disappear. */
-    @VisibleForTesting
-    public int getViewportSizeOffsetWidthPix() {
-        return 0;
-    }
-
-    @VisibleForTesting
-    public int getViewportSizeOffsetHeightPix() {
-        return mTopControlsShrinkBlinkSize ? mTopControlsHeightPix : 0;
-    }
-
     /**
      * @return The amount that the viewport size given to Blink is shrunk by the URL-bar..
      */
     @CalledByNative
     public boolean doTopControlsShrinkBlinkSize() {
         return mTopControlsShrinkBlinkSize;
     }
 
     @CalledByNative
     public int getTopControlsHeightPix() {
@@ skipping 1293 matching lines @@
                         computeVerticalScrollExtent());
             }
         }
 
         if (needUpdateZoomControls) mZoomControlsDelegate.updateZoomControls();
 
         // Update offsets for fullscreen.
         final float controlsOffsetPix = controlsOffsetYCss * deviceScale;
         // TODO(aelias): Remove last argument after downstream removes it.
         getContentViewClient().onOffsetsForFullscreenChanged(
-                controlsOffsetPix, contentOffsetYPix, 0);
+                controlsOffsetPix, contentOffsetYPix);
 
         if (mBrowserAccessibilityManager != null) {
             mBrowserAccessibilityManager.notifyFrameInfoInitialized();
         }
         TraceEvent.end("ContentViewCore:updateFrameInfo");
     }
 
     @CalledByNative
     private void updateImeAdapter(long nativeImeAdapterAndroid, int textInputType,
             int textInputFlags, String text, int selectionStart, int selectionEnd,
@@ skipping 923 matching lines @@
     private native void nativeSetTextTrackSettings(long nativeContentViewCoreImpl,
             boolean textTracksEnabled, String textTrackBackgroundColor, String textTrackFontFamily,
             String textTrackFontStyle, String textTrackFontVariant, String textTrackTextColor,
             String textTrackTextShadow, String textTrackTextSize);
 
     private native void nativeExtractSmartClipData(long nativeContentViewCoreImpl,
             int x, int y, int w, int h);
 
     private native void nativeSetBackgroundOpaque(long nativeContentViewCoreImpl, boolean opaque);
 }