Fix some grammar in speech_recognition_request_unittest.cc

content/browser/speech/google_one_shot_remote_engine_unittest.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 "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/speech/audio_buffer.h"
 #include "content/browser/speech/google_one_shot_remote_engine.h"
 #include "content/public/common/speech_recognition_error.h"
 #include "content/public/common/speech_recognition_result.h"
 #include "content/test/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace speech {
 
 class GoogleOneShotRemoteEngineTest
     : public SpeechRecognitionEngineDelegate,
       public testing::Test {
  public:
   GoogleOneShotRemoteEngineTest()
       : error_(content::SPEECH_RECOGNITION_ERROR_NONE) {}
 
-  // Creates a speech recognition request and invokes it's URL fetcher delegate
+  // Creates a speech recognition request and invokes its URL fetcher delegate
   // with the given test data.
   void CreateAndTestRequest(bool success, const std::string& http_response);
 
   // SpeechRecognitionRequestDelegate methods.
   virtual void OnSpeechRecognitionEngineResult(
       const content::SpeechRecognitionResult& result) OVERRIDE {
     result_ = result;
   }
 
   virtual void OnSpeechRecognitionEngineError(
@@ skipping 78 matching lines @@
   EXPECT_EQ(0U, result_.hypotheses.size());
 
   // Malformed JSON case.
   CreateAndTestRequest(true, "{\"status\":0,\"hypotheses\":"
       "[{\"unknownkey\":\"hello\"}]}");
   EXPECT_EQ(error_, content::SPEECH_RECOGNITION_ERROR_NETWORK);
   EXPECT_EQ(0U, result_.hypotheses.size());
 }
 
 }  // namespace speech