test_runner: Move three Mock* files into content namespace.

content/shell/renderer/test_runner/MockGrammarCheck.cpp

 // Copyright 2013 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/shell/renderer/test_runner/MockGrammarCheck.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "content/shell/renderer/test_runner/TestCommon.h"
 #include "third_party/WebKit/public/platform/WebCString.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/web/WebTextCheckingResult.h"
 
 using namespace blink;
 using namespace std;
 
-namespace WebTestRunner {
+namespace content {
 
 bool MockGrammarCheck::checkGrammarOfString(const WebString& text, vector<WebTextCheckingResult>* results)
 {
     DCHECK(results);
     base::string16 stringText = text;
-    if (find_if(stringText.begin(), stringText.end(), isASCIIAlpha) == stringText.end())
+    if (find_if(stringText.begin(), stringText.end(), WebTestRunner::isASCIIAlpha) == stringText.end())
         return true;
 
     // Find matching grammatical errors from known ones. This function has to
     // check all errors because the given text may consist of two or more
     // sentences that have grammatical errors.
     static const struct {
         const char* text;
         int location;
         int length;
     } grammarErrors[] = {
@@ skipping 14 matching lines @@
         size_t offset = 0;
         base::string16 error(grammarErrors[i].text, grammarErrors[i].text + strlen(grammarErrors[i].text));
         while ((offset = stringText.find(error, offset)) != base::string16::npos) {
             results->push_back(WebTextCheckingResult(WebTextDecorationTypeGrammar, offset + grammarErrors[i].location, grammarErrors[i].length));
             offset += grammarErrors[i].length;
         }
     }
     return false;
 }
 
-}
+}  // namespace content