WebUI: Add JavaScript lifecycle-control to WebUIMessageHandler.

content/public/test/test_web_ui.cc

 // Copyright 2015 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 "base/logging.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "content/public/test/test_web_ui.h"
 
 namespace content {
 
@@ skipping 33 matching lines @@
 }
 
 bool TestWebUI::HasRenderFrame() {
   return false;
 }
 
 void TestWebUI::AddMessageHandler(WebUIMessageHandler* handler) {
   handlers_.push_back(handler);
 }
 
+bool TestWebUI::CanCallJavascript() {
+  return true;
+}
+
 void TestWebUI::CallJavascriptFunction(const std::string& function_name) {
   call_data_.push_back(new CallData(function_name));
 }
 
 void TestWebUI::CallJavascriptFunction(const std::string& function_name,
                                        const base::Value& arg1) {
   call_data_.push_back(new CallData(function_name));
   call_data_.back()->TakeAsArg1(arg1.DeepCopy());
 }
 
@@ skipping 42 matching lines @@
 
 void TestWebUI::CallData::TakeAsArg2(base::Value* arg) {
   arg2_.reset(arg);
 }
 
 void TestWebUI::CallData::TakeAsArg3(base::Value* arg) {
   arg3_.reset(arg);
 }
 
 }  // namespace content