Componentize sad_tab

chrome/browser/ui/cocoa/tab_contents/sad_tab_controller.mm

-// Copyright (c) 2011 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/cocoa/tab_contents/sad_tab_controller.h"
-
-#include "base/mac/bundle_locations.h"
-#include "base/mac/mac_util.h"
-#import "chrome/browser/ui/cocoa/tab_contents/sad_tab_view.h"
-#include "content/public/browser/web_contents.h"
-
-namespace chrome {
-
-SadTab* SadTab::Create(content::WebContents* web_contents, SadTabKind kind) {
-  return new SadTabCocoa(web_contents);
-}
-
-SadTabCocoa::SadTabCocoa(content::WebContents* web_contents)
-    : web_contents_(web_contents) {
-}
-
-SadTabCocoa::~SadTabCocoa() {
-}
-
-void SadTabCocoa::Show() {
-  sad_tab_controller_.reset(
-      [[SadTabController alloc] initWithWebContents:web_contents_]);
-}
-
-void SadTabCocoa::Close() {
-  [[sad_tab_controller_ view] removeFromSuperview];
-}
-
-}  // namespace chrome
-
-@implementation SadTabController
-
-- (id)initWithWebContents:(content::WebContents*)webContents {
-  if ((self = [super initWithNibName:@"SadTab"
-                              bundle:base::mac::FrameworkBundle()])) {
-    webContents_ = webContents;
-
-    if (webContents_) {  // NULL in unit_tests.
-      NSView* ns_view = webContents_->GetNativeView();
-      [[self view] setAutoresizingMask:
-          (NSViewWidthSizable | NSViewHeightSizable)];
-      [ns_view addSubview:[self view]];
-      [[self view] setFrame:[ns_view bounds]];
-    }
-  }
-
-  return self;
-}
-
-- (void)awakeFromNib {
-  // If webContents_ is nil, ask view to remove link.
-  if (!webContents_) {
-    SadTabView* sad_view = static_cast<SadTabView*>([self view]);
-    [sad_view removeHelpText];
-  }
-}
-
-- (content::WebContents*)webContents {
-  return webContents_;
-}
-
-- (void)openLearnMoreAboutCrashLink:(id)sender {
-  // Send the action up through the responder chain.
-  [NSApp sendAction:@selector(openLearnMoreAboutCrashLink:) to:nil from:self];
-}
-
-@end