GuestView: Move lifetime management out of content

extensions/browser/api/web_view/web_view_internal_api.cc

 // Copyright 2014 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 "extensions/browser/api/web_view/web_view_internal_api.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 47 matching lines @@
     return false;
 
   return RunAsyncSafe(guest);
 }
 
 bool WebViewInternalNavigateFunction::RunAsyncSafe(WebViewGuest* guest) {
   scoped_ptr<webview::Navigate::Params> params(
       webview::Navigate::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
   std::string src = params->src;
-  guest->NavigateGuest(src);
+  guest->NavigateGuest(src, true /* force_navigation */);
   return true;
 }
 
 WebViewInternalExecuteCodeFunction::WebViewInternalExecuteCodeFunction()
     : guest_instance_id_(0), guest_src_(GURL::EmptyGURL()) {
 }
 
 WebViewInternalExecuteCodeFunction::~WebViewInternalExecuteCodeFunction() {
 }
 
@@ skipping 434 matching lines @@
   // Will finish asynchronously.
   return true;
 }
 
 void WebViewInternalClearDataFunction::ClearDataDone() {
   Release();  // Balanced in RunAsync().
   SendResponse(true);
 }
 
 }  // namespace extensions