Convert string16 to base::string16 in content.

content/renderer/android/content_detector.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 "content/renderer/android/content_detector.h"
 
 #include "base/logging.h"
 #include "third_party/WebKit/public/platform/WebPoint.h"
 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 #include "third_party/WebKit/public/web/WebSurroundingText.h"
@@ skipping 34 matching lines @@
     const blink::WebHitTestResult& hit_test,
     std::string* content_text) {
   // As the surrounding text extractor looks at maxLength/2 characters on
   // either side of the hit point, we need to double max content length here.
   WebSurroundingText surrounding_text;
   surrounding_text.initialize(hit_test.node(), hit_test.localPoint(),
                               GetMaximumContentLength() * 2);
   if (surrounding_text.isNull())
     return WebRange();
 
-  string16 content = surrounding_text.textContent();
+  base::string16 content = surrounding_text.textContent();
   if (content.empty())
     return WebRange();
 
   size_t selected_offset = surrounding_text.hitOffsetInTextContent();
   for (size_t start_offset = 0; start_offset < content.length();) {
     size_t relative_start, relative_end;
     if (!FindContent(content.begin() + start_offset,
         content.end(), &relative_start, &relative_end, content_text)) {
       break;
     } else {
       size_t content_start = start_offset + relative_start;
       size_t content_end = start_offset + relative_end;
       DCHECK(content_end <= content.length());
 
       if (selected_offset >= content_start && selected_offset < content_end) {
         WebRange range = surrounding_text.rangeFromContentOffsets(
             content_start, content_end);
         DCHECK(!range.isNull());
         return range;
       } else {
         start_offset += relative_end;
       }
     }
   }
 
   return WebRange();
 }
 
 }  // namespace content