Propagate audible state from player to the containing tab

chrome/browser/android/chrome_web_contents_delegate_android.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/android/chrome_web_contents_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 25 matching lines @@
 #include "ui/gfx/geometry/rect_f.h"
 
 #if defined(ENABLE_PLUGINS)
 #include "chrome/browser/pepper_broker_infobar_delegate.h"
 #endif
 
 using base::android::AttachCurrentThread;
 using base::android::ScopedJavaLocalRef;
 using content::FileChooserParams;
 using content::WebContents;
+using content::WebContentsImpl;
 
 namespace {
 
 ScopedJavaLocalRef<jobject> CreateJavaRectF(
     JNIEnv* env,
     const gfx::RectF& rect) {
   return ScopedJavaLocalRef<jobject>(
       Java_ChromeWebContentsDelegateAndroid_createRectF(env,
                                                         rect.x(),
                                                         rect.y(),
@@ skipping 308 matching lines @@
                           jclass clazz,
                           jobject java_web_contents) {
   content::WebContents* web_contents =
       content::WebContents::FromJavaWebContents(java_web_contents);
   scoped_refptr<MediaStreamCaptureIndicator> indicator =
       MediaCaptureDevicesDispatcher::GetInstance()->
           GetMediaStreamCaptureIndicator();
   return indicator->IsCapturingVideo(web_contents);
 }
 
+jboolean IsPlayingAudio(JNIEnv* env,
+                        jclass clazz,
+                        jobject java_web_contents) {
+  return false; // not implemented
+}