[TTS] Add an ACK message to SelectWordAroundCaret.

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.assist.AssistStructure.ViewNode;
 import android.content.ClipData;
@@ skipping 880 matching lines @@
         }
         destroyPastePopup();
     }
 
     @SuppressWarnings("unused")
     @CalledByNative
     private void onShowUnhandledTapUIIfNeeded(int x, int y) {
         mSelectionPopupController.onShowUnhandledTapUIIfNeeded(x, y);
     }
 
+    @SuppressWarnings("unused")
+    @CalledByNative
+    private void onSelectWordAroundCaretAck(boolean didSelect, int startAdjust, int endAdjust) {
+        mSelectionPopupController.onSelectWordAroundCaretAck(didSelect, startAdjust, endAdjust);
+    }
+
     /**
      * Called just prior to a tap or press gesture being forwarded to the renderer.
      */
     @SuppressWarnings("unused")
     @CalledByNative
     private boolean filterTapOrPressEvent(int type, int x, int y) {
         if (type == GestureEventType.LONG_PRESS && offerLongPressToEmbedder()) {
             return true;
         }
         updateForTapOrPress(type, x, y);
@@ skipping 1565 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 nativeSetBackgroundOpaque(long nativeContentViewCoreImpl, boolean opaque);
     private native boolean nativeIsTouchDragDropEnabled(long nativeContentViewCoreImpl);
     private native void nativeOnDragEvent(long nativeContentViewCoreImpl, int action, int x, int y,
             int screenX, int screenY, String[] mimeTypes, String content);
 }