Revert of CompositorViewHolder is source of truth for viewports

chrome/android/javatests/src/org/chromium/chrome/browser/compositor/layouts/MockLayoutHost.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/compositor/layouts/MockLayoutHost.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/compositor/layouts/MockLayoutHost.java b/chrome/android/javatests/src/org/chromium/chrome/browser/compositor/layouts/MockLayoutHost.java
index 47735f4869295ff3da9cca88a34e65906cbc6807..d4cfc6b6323379d401ea0943a520a3c3e5f93172 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/compositor/layouts/MockLayoutHost.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/compositor/layouts/MockLayoutHost.java
@@ -6,7 +6,6 @@
 
 import android.content.Context;
 import android.graphics.Rect;
-import android.graphics.RectF;
 
 import org.chromium.chrome.browser.compositor.TitleCache;
 import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager;
@@ -84,21 +83,6 @@
     }
 
     @Override
-    public void getWindowViewport(RectF outRect) {
-        outRect.set(0, 0, getWidth(), getHeight());
-    }
-
-    @Override
-    public void getVisibleViewport(RectF outRect) {
-        outRect.set(0, getTopControlsHeightPixels(), getWidth(), getHeight());
-    }
-
-    @Override
-    public float getHeightMinusBrowserControls() {
-        return getHeight() - getTopControlsHeightPixels();
-    }
-
-    @Override
     public LayoutRenderHost getLayoutRenderHost() {
         return this;
     }