Add handle scopes around executeScriptAndReturnValue callsites

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 "base/i18n/rtl.h"
 #include "base/stringprintf.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 853 matching lines @@
 
 // static
 v8::Extension* SearchBoxExtension::Get() {
   return new SearchBoxExtensionWrapper(ResourceBundle::GetSharedInstance().
       GetRawDataResource(IDR_SEARCHBOX_API));
 }
 
 // static
 bool SearchBoxExtension::PageSupportsInstant(WebKit::WebFrame* frame) {
   if (!frame) return false;
-
+  v8::HandleScope handle_scope;
   v8::Handle<v8::Value> v = frame->executeScriptAndReturnValue(
       WebKit::WebScriptSource(kSupportsInstantScript));
   return !v.IsEmpty() && v->BooleanValue();
 }
 
 // static
 void SearchBoxExtension::DispatchChange(WebKit::WebFrame* frame) {
   Dispatch(frame, kDispatchChangeEventScript);
 }
 
@@ skipping 45 matching lines @@
 void SearchBoxExtension::DispatchMarginChange(WebKit::WebFrame* frame) {
   Dispatch(frame, kDispatchMarginChangeEventScript);
 }
 
 // static
 void SearchBoxExtension::DispatchThemeChange(WebKit::WebFrame* frame) {
   Dispatch(frame, kDispatchThemeChangeEventScript);
 }
 
 }  // namespace extensions_v8