Add base:: to string16 in Source/testing/runner/.

Source/testing/runner/MockGrammarCheck.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 #include <algorithm>
 
 using namespace blink;
 using namespace std;
 
 namespace WebTestRunner {
 
 bool MockGrammarCheck::checkGrammarOfString(const WebString& text, vector<WebTextCheckingResult>* results)
 {
     BLINK_ASSERT(results);
-    string16 stringText = text;
+    base::string16 stringText = text;
     if (find_if(stringText.begin(), stringText.end(), 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[] = {
         {"I have a issue.", 7, 1},
         {"I have an grape.", 7, 2},
         {"I have an kiwi.", 7, 2},
         {"I have an muscat.", 7, 2},
         {"You has the right.", 4, 3},
         {"apple orange zz.", 0, 16},
         {"apple zz orange.", 0, 16},
         {"apple,zz,orange.", 0, 16},
         {"orange,zz,apple.", 0, 16},
         {"the the adlj adaasj sdklj. there there", 4, 3},
         {"the the adlj adaasj sdklj. there there", 33, 5},
         {"zz apple orange.", 0, 16},
     };
     for (size_t i = 0; i < ARRAYSIZE_UNSAFE(grammarErrors); ++i) {
         size_t offset = 0;
-        string16 error(grammarErrors[i].text, grammarErrors[i].text + strlen(grammarErrors[i].text));
-        while ((offset = stringText.find(error, offset)) != string16::npos) {
+        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;
 }
 
 }