[Contextual Search] Disable narrow panel when Chrome Home is enabled

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelBase.java

 // Copyright 2016 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.chrome.browser.compositor.bottombar;
 
 import android.content.Context;
 import android.graphics.Color;
 import android.view.ViewGroup;
 
@@ skipping 179 matching lines @@
     // ============================================================================================
 
     private float mLayoutWidth;
     private float mLayoutHeight;
     private float mLayoutYOffset;
 
     private float mMaximumWidth;
     private float mMaximumHeight;
 
     private boolean mIsFullWidthSizePanelForTesting;
-    private boolean mOverrideIsFullWidthSizePanelForTesting;
+    protected boolean mOverrideIsFullWidthSizePanelForTesting;
 
     /**
      * Called when the layout has changed.
      *
      * @param width  The new width in dp.
      * @param height The new height in dp.
      * @param visibleViewportOffsetY The Y offset of the content in dp.
      */
     public void onLayoutChanged(float width, float height, float visibleViewportOffsetY) {
         if (width == mLayoutWidth && height == mLayoutHeight
@@ skipping 1017 matching lines @@
      * Overrides the FullWidthSizePanel state for testing.
      *
      * @param isFullWidthSizePanel Whether the Panel has a full width size.
      */
     @VisibleForTesting
     public void setIsFullWidthSizePanelForTesting(boolean isFullWidthSizePanel) {
         mOverrideIsFullWidthSizePanelForTesting = true;
         mIsFullWidthSizePanelForTesting = isFullWidthSizePanel;
     }
 }