Improve audible token detection.

components/copresence/handlers/audio/audio_directive_list_unittest.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 "components/copresence/handlers/audio/audio_directive_list.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/message_loop/message_loop.h"
 #include "components/copresence/test/audio_test_support.h"
 #include "media/base/audio_bus.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace copresence {
 
 class AudioDirectiveListTest : public testing::Test {
  public:
   AudioDirectiveListTest()
       : directive_list_(new AudioDirectiveList(
             base::Bind(&AudioDirectiveListTest::EncodeToken,
                        base::Unretained(this)),
             base::Bind(&base::DoNothing),
             false)) {}
 
   virtual ~AudioDirectiveListTest() {}
 
  protected:
   void EncodeToken(const std::string& token,
-                   bool /* audible */,
+                   bool audible,
                    const AudioDirectiveList::SamplesCallback& callback) {
-    callback.Run(token, CreateRandomAudioRefCounted(0x1337, 1, 0x7331));
+    callback.Run(
+        token, audible, CreateRandomAudioRefCounted(0x1337, 1, 0x7331));
   }
 
   base::MessageLoop message_loop_;
   scoped_ptr<AudioDirectiveList> directive_list_;
 };
 
 // TODO(rkc): Find and fix the memory leak here.
 #define MAYBE_Basic DISABLED_Basic
 
 TEST_F(AudioDirectiveListTest, MAYBE_Basic) {
@@ skipping 39 matching lines @@
   directive_list_->AddReceiveDirective("op_id3", kLargeTtl);
   directive_list_->AddReceiveDirective("op_id7", kLargeTtl);
 
   // Should keep getting the directive till it expires or we add a newer one.
   EXPECT_EQ("op_id7", directive_list_->GetNextReceive()->op_id);
   EXPECT_EQ("op_id7", directive_list_->GetNextReceive()->op_id);
   EXPECT_EQ("op_id7", directive_list_->GetNextReceive()->op_id);
 }
 
 }  // namespace copresence