Use explicit WebString conversions in remaining chrome/renderer files

chrome/renderer/searchbox/searchbox_extension.cc

 // Copyright 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 "chrome/renderer/searchbox/searchbox_extension.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 488 matching lines @@
       blink::WebScriptSource(kSupportsInstantScript));
   return !v.IsEmpty() && v->BooleanValue();
 }
 
 // static
 void SearchBoxExtension::DispatchChromeIdentityCheckResult(
     blink::WebFrame* frame,
     const base::string16& identity,
     bool identity_match) {
   std::string escaped_identity = base::GetQuotedJSONString(identity);
-  blink::WebString script(base::UTF8ToUTF16(base::StringPrintf(
-      kDispatchChromeIdentityCheckResult,
-      escaped_identity.c_str(),
+  blink::WebString script(blink::WebString::fromUTF8(base::StringPrintf(
+      kDispatchChromeIdentityCheckResult, escaped_identity.c_str(),
       identity_match ? "true" : "false")));
   Dispatch(frame, script);
 }
 
 // static
 void SearchBoxExtension::DispatchFocusChange(blink::WebFrame* frame) {
   Dispatch(frame, kDispatchFocusChangedScript);
 }
 
 // static
 void SearchBoxExtension::DispatchHistorySyncCheckResult(
     blink::WebFrame* frame,
     bool sync_history) {
-  blink::WebString script(base::UTF8ToUTF16(base::StringPrintf(
-      kDispatchHistorySyncCheckResult,
-      sync_history ? "true" : "false")));
+  blink::WebString script(blink::WebString::fromUTF8(base::StringPrintf(
+      kDispatchHistorySyncCheckResult, sync_history ? "true" : "false")));
   Dispatch(frame, script);
 }
 
 // static
 void SearchBoxExtension::DispatchInputCancel(blink::WebFrame* frame) {
   Dispatch(frame, kDispatchInputCancelScript);
 }
 
 // static
 void SearchBoxExtension::DispatchInputStart(blink::WebFrame* frame) {
@@ skipping 590 matching lines @@
     ThrowInvalidParameters(args);
     return;
   }
 
   DVLOG(1) << render_frame << " UndoMostVisitedDeletion";
   SearchBox::Get(render_frame)
       ->UndoMostVisitedDeletion(args[0]->ToInteger()->Value());
 }
 
 }  // namespace extensions_v8