Add base:: to string16s in android_webview/.

android_webview/native/state_serializer_unittests.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 "android_webview/native/state_serializer.h"
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/pickle.h"
@@ skipping 28 matching lines @@
   content::SetBrowserClientForTesting(&browser_client);
 
   scoped_ptr<content::NavigationEntry> entry(
       content::NavigationEntry::Create());
 
   const GURL url("http://url");
   const GURL virtual_url("http://virtual_url");
   content::Referrer referrer;
   referrer.url = GURL("http://referrer_url");
   referrer.policy = blink::WebReferrerPolicyOrigin;
-  const string16 title(UTF8ToUTF16("title"));
+  const base::string16 title(UTF8ToUTF16("title"));
   const content::PageState page_state =
       content::PageState::CreateFromEncodedData("completely bogus state");
   const bool has_post_data = true;
   const GURL original_request_url("http://original_request_url");
   const GURL base_url_for_data_url("http://base_url");
   const bool is_overriding_user_agent = true;
   const base::Time timestamp = base::Time::FromInternalValue(12345);
   const int http_status_code = 404;
 
   entry->SetURL(url);
@@ skipping 25 matching lines @@
   EXPECT_EQ(page_state, copy->GetPageState());
   EXPECT_EQ(has_post_data, copy->GetHasPostData());
   EXPECT_EQ(original_request_url, copy->GetOriginalRequestURL());
   EXPECT_EQ(base_url_for_data_url, copy->GetBaseURLForDataURL());
   EXPECT_EQ(is_overriding_user_agent, copy->GetIsOverridingUserAgent());
   EXPECT_EQ(timestamp, copy->GetTimestamp());
   EXPECT_EQ(http_status_code, copy->GetHttpStatusCode());
 }
 
 }  // namespace android_webview