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

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanel.java

 // Copyright 2015 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.contextualsearch;
 
 import android.app.Activity;
 import android.content.Context;
 import android.graphics.RectF;
 import android.os.Handler;
@@ skipping 397 matching lines @@
 
     @Override
     public void setChromeActivity(ChromeActivity activity) {
         super.setChromeActivity(activity);
 
         if (mActivity.getBottomSheet() == null) return;
 
         addBarHandle(mActivity.getToolbarManager().getToolbar().getHeight());
     }
 
+    @Override
+    protected boolean doesMatchFullWidthCriteria(float containerWidth) {
+        if (!mOverrideIsFullWidthSizePanelForTesting && mActivity.getBottomSheet() != null) {

[Theresa, 2017/04/15 00:24:02]

I need to add an mActivity != null check for the tests.

+            return true;
+        }
+        return super.doesMatchFullWidthCriteria(containerWidth);
+    }
+
     // ============================================================================================
     // Animation Handling
     // ============================================================================================
 
     @Override
     protected void onAnimationFinished() {
         super.onAnimationFinished();
 
         if (mShouldPromoteToTabAfterMaximizing && getPanelState() == PanelState.MAXIMIZED) {
             mShouldPromoteToTabAfterMaximizing = false;
@@ skipping 449 matching lines @@
             xPosition = getContentX() + getWidth() - (mEndButtonWidthDp / 2);
         }
 
         // Determine the y-position for the simulated tap.
         float yPosition = getOffsetY() + (getHeight() / 2);
 
         // Simulate the tap.
         handleClick(System.currentTimeMillis(), xPosition, yPosition);
     }
 }