Componentize sad_tab

components/sad_tab/sad_tab_helper.cc

 // Copyright (c) 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/browser/ui/sad_tab_helper.h"
+#include "components/sad_tab/sad_tab_helper.h"
 
-#include "base/logging.h"
-#include "chrome/browser/browser_shutdown.h"
-#include "chrome/browser/ui/sad_tab.h"
-#include "content/public/browser/web_contents.h"
+#include "components/sad_tab/sad_tab.h"
+#include "components/sad_tab/sad_tab_client.h"
 
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(SadTabHelper);
+DEFINE_WEB_CONTENTS_USER_DATA_KEY(sad_tab::SadTabHelper);
+
+namespace sad_tab {
+
+// static
+void SadTabHelper::CreateForWebContentsWithClient(
+    content::WebContents* contents,
+    scoped_ptr<SadTabClient> client) {
+  if (!FromWebContents(contents)) {
+    contents->SetUserData(UserDataKey(),
+                          new SadTabHelper(contents, client.Pass()));
+  }
+}
 
 SadTabHelper::~SadTabHelper() {
 }
 
-SadTabHelper::SadTabHelper(content::WebContents* web_contents)
-    : content::WebContentsObserver(web_contents) {
+SadTabHelper::SadTabHelper(content::WebContents* web_contents,
+                           scoped_ptr<SadTabClient> client)
+    : content::WebContentsObserver(web_contents),
+      client_(client.Pass()) {
 }
 
 void SadTabHelper::RenderViewReady() {
   if (sad_tab_) {
     sad_tab_->Close();
     sad_tab_.reset();
   }
 }
 
 void SadTabHelper::RenderProcessGone(base::TerminationStatus status) {
   // Only show the sad tab if we're not in browser shutdown, so that WebContents
   // objects that are not in a browser (e.g., HTML dialogs) and thus are
   // visible do not flash a sad tab page.
-  if (browser_shutdown::GetShutdownType() != browser_shutdown::NOT_VALID)
+  if (client_->IsInBrowserShutdown())
     return;
 
   if (sad_tab_)
     return;
 
-  if (chrome::SadTab::ShouldShow(status))
+  if (SadTab::ShouldShow(status))
     InstallSadTab(status);
 }
 
 void SadTabHelper::InstallSadTab(base::TerminationStatus status) {
-  chrome::SadTabKind kind =
-      (status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED) ?
-          chrome::SAD_TAB_KIND_KILLED : chrome::SAD_TAB_KIND_CRASHED;
-  sad_tab_.reset(chrome::SadTab::Create(web_contents(), kind));
+  SadTabKind kind = (status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED) ?
+      SAD_TAB_KIND_KILLED : SAD_TAB_KIND_CRASHED;
+  sad_tab_.reset(SadTab::Create(web_contents(), kind, client_.get()));
   sad_tab_->Show();
 }
+
+}  // namespace sad_tab