Hide the Paste popup when input is received from IME.

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.app.Activity;
 import android.app.SearchManager;
 import android.content.ClipboardManager;
@@ skipping 1665 matching lines @@
      * @see View#onWindowFocusChanged(boolean)
      */
     public void onWindowFocusChanged(boolean hasWindowFocus) {
         if (!hasWindowFocus) resetGestureDetection();
     }
 
     public void onFocusChanged(boolean gainFocus) {
         if (!gainFocus) {
             hideImeIfNeeded();
             cancelRequestToScrollFocusedEditableNodeIntoView();
+            hidePastePopup();
         }
         if (mNativeContentViewCore != 0) nativeSetFocus(mNativeContentViewCore, gainFocus);
     }
 
     /**
      * @see View#onKeyUp(int, KeyEvent)
      */
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         if (mPopupZoomer.isShowing() && keyCode == KeyEvent.KEYCODE_BACK) {
             mPopupZoomer.hide(true);
@@ skipping 1532 matching lines @@
 
     private native void nativeExtractSmartClipData(long nativeContentViewCoreImpl,
             int x, int y, int w, int h);
     private native void nativeSetBackgroundOpaque(long nativeContentViewCoreImpl, boolean opaque);
 
     private native void nativeResumeResponseDeferredAtStart(
             long nativeContentViewCoreImpl);
     private native void nativeSetHasPendingNavigationTransitionForTesting(
             long nativeContentViewCoreImpl);
 }