Stop playing/recording when not needed.

chrome/browser/extensions/api/copresence_private/copresence_private_api.cc

 // Copyright 2014 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/extensions/api/copresence_private/copresence_private_api.h"
 
+#include <vector>
+
 #include "base/lazy_instance.h"
 #include "base/stl_util.h"
 #include "chrome/browser/copresence/chrome_whispernet_client.h"
 #include "chrome/browser/extensions/api/copresence/copresence_api.h"
 #include "chrome/common/extensions/api/copresence_private.h"
 #include "components/copresence/public/whispernet_client.h"
 #include "media/base/audio_bus.h"
 
 namespace extensions {
 
 // Copresence Private functions.
 
 copresence::WhispernetClient* CopresencePrivateFunction::GetWhispernetClient() {
   CopresenceService* service =
       CopresenceService::GetFactoryInstance()->Get(browser_context());
   return service ? service->whispernet_client() : NULL;
 }
 
 // CopresenceSendFoundFunction implementation:
 ExtensionFunction::ResponseAction CopresencePrivateSendFoundFunction::Run() {
   if (!GetWhispernetClient() ||
       GetWhispernetClient()->GetTokensCallback().is_null()) {
     return RespondNow(NoArguments());
   }
 
   scoped_ptr<api::copresence_private::SendFound::Params> params(
       api::copresence_private::SendFound::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
-  std::vector<copresence::FullToken> tokens;
+  std::vector<copresence::AudioToken> tokens;
   for (size_t i = 0; i < params->tokens.size(); ++i) {
-    tokens.push_back(copresence::FullToken(params->tokens[i]->token,
-                                           params->tokens[i]->audible));
+    tokens.push_back(copresence::AudioToken(params->tokens[i]->token,
+                                            params->tokens[i]->audible));
   }
   GetWhispernetClient()->GetTokensCallback().Run(tokens);
   return RespondNow(NoArguments());
 }
 
 // CopresenceSendEncodedFunction implementation:
 ExtensionFunction::ResponseAction CopresencePrivateSendSamplesFunction::Run() {
   if (!GetWhispernetClient() ||
       GetWhispernetClient()->GetSamplesCallback().is_null()) {
     return RespondNow(NoArguments());
@@ skipping 41 matching lines @@
 
   scoped_ptr<api::copresence_private::SendInitialized::Params> params(
       api::copresence_private::SendInitialized::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   GetWhispernetClient()->GetInitializedCallback().Run(params->success);
   return RespondNow(NoArguments());
 }
 
 }  // namespace extensions