Add OAuth2 authentication for some voice transcription requests.

chrome/browser/ui/app_list/speech_recognizer_browsertest.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/ui/app_list/speech_recognizer.h"
 
 #include "base/command_line.h"
 #include "base/memory/weak_ptr.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 19 matching lines @@
   MockSpeechRecognizerDelegate() : weak_factory_(this) {}
 
   base::WeakPtr<MockSpeechRecognizerDelegate> GetWeakPtr() {
     return weak_factory_.GetWeakPtr();
   }
 
   MOCK_METHOD2(OnSpeechResult, void(const base::string16&, bool));
   MOCK_METHOD1(OnSpeechSoundLevelChanged, void(int16_t));
   MOCK_METHOD1(OnSpeechRecognitionStateChanged, void(SpeechRecognitionState));
   MOCK_METHOD0(GetSpeechContents, content::WebContents*());
+  MOCK_METHOD2(GetSpeechAuthParameters, void(std::string*, std::string*));
 
  private:
   base::WeakPtrFactory<MockSpeechRecognizerDelegate> weak_factory_;
 };
 
 class AppListSpeechRecognizerBrowserTest : public InProcessBrowserTest {
  public:
   AppListSpeechRecognizerBrowserTest() {}
 
   void SetUpOnMainThread() override {
@@ skipping 48 matching lines @@
   EXPECT_CALL(*mock_speech_delegate_,
               OnSpeechRecognitionStateChanged(SPEECH_RECOGNITION_READY))
       .WillOnce(InvokeWithoutArgs(&run_loop, &base::RunLoop::Quit));
   recognizer.Start();
   run_loop.Run();
 }
 
 }  // namespace app_list