Audio notification plumbed from guest WebContents up to embedder.

content/browser/browser_plugin/browser_plugin_embedder.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 "content/browser/browser_plugin/browser_plugin_embedder.h"
 
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/browser_plugin/browser_plugin_messages.h"
@@ skipping 201 matching lines @@
 
 BrowserPluginGuest* BrowserPluginEmbedder::GetFullPageGuest() {
   WebContentsImpl* guest_contents = static_cast<WebContentsImpl*>(
       GetBrowserPluginGuestManager()->GetFullPageGuest(web_contents()));
   if (!guest_contents)
     return nullptr;
   return guest_contents->GetBrowserPluginGuest();
 }
 
 // static
+bool BrowserPluginEmbedder::GuestRecentlyAudibleCallback(WebContents* guest) {
+  return guest->WasRecentlyAudible();
+}
+
+bool BrowserPluginEmbedder::WereAnyGuestsRecentlyAudible() {
+  return GetBrowserPluginGuestManager()->ForEachGuest(
+      web_contents(),
+      base::Bind(&BrowserPluginEmbedder::GuestRecentlyAudibleCallback));
+}
+
+// static
 bool BrowserPluginEmbedder::UnlockMouseIfNecessaryCallback(bool* mouse_unlocked,
                                                            WebContents* guest) {
   *mouse_unlocked |= static_cast<WebContentsImpl*>(guest)
                          ->GetBrowserPluginGuest()
                          ->mouse_locked();
   guest->GotResponseToLockMouseRequest(false);
 
   // Returns false to iterate over all guests.
   return false;
 }
@@ skipping 20 matching lines @@
           ->GetBrowserPluginGuest()
           ->HandleStopFindingForEmbedder(action)) {
     // There can only ever currently be one browser plugin that handles find so
     // we can break the iteration at this point.
     return true;
   }
   return false;
 }
 
 }  // namespace content