Replace string16 with base::string16 in src/webkit

webkit/tools/test_shell/test_webview_delegate.cc

Index: webkit/tools/test_shell/test_webview_delegate.cc
diff --git a/webkit/tools/test_shell/test_webview_delegate.cc b/webkit/tools/test_shell/test_webview_delegate.cc
index df7ced9da5275178562be9e715bbc45ced242528..983f64e51fc4f5b65d924eda5791254cad74a89b 100644
--- a/webkit/tools/test_shell/test_webview_delegate.cc
+++ b/webkit/tools/test_shell/test_webview_delegate.cc
@@ -332,7 +332,7 @@ void TestWebViewDelegate::spellCheck(const WebString& text,
   // Check the spelling of the given text.
   // TODO(hbono): rebaseline layout-test results of Windows and Linux so we
   // can enable this mock spellchecker on them.
-  string16 word(text);
+  base::string16 word(text);
   mock_spellcheck_.SpellCheckWord(word, &misspelledOffset, &misspelledLength);
 #endif
 }
@@ -981,7 +981,7 @@ void TestWebViewDelegate::UpdateSessionHistory(WebFrame* frame) {
   entry->SetContentState(webkit_glue::HistoryItemToString(history_item));
 }
 
-string16 TestWebViewDelegate::GetFrameDescription(WebFrame* webframe) {
+base::string16 TestWebViewDelegate::GetFrameDescription(WebFrame* webframe) {
   std::string name = UTF16ToUTF8(webframe->uniqueName());
 
   if (webframe == shell_->webView()->mainFrame()) {