Crash fix for the case when the default profile is nuked while UI still expects it around.

chrome/browser/chromeos/login/webui_login_view.cc

 // 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/chromeos/login/webui_login_view.h"
 
 #include "base/i18n/rtl.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/accessibility_util.h"
@@ skipping 83 matching lines @@
 
 namespace chromeos {
 
 // static
 const int WebUILoginView::kStatusAreaCornerPadding = 5;
 
 // WebUILoginView public: ------------------------------------------------------
 
 WebUILoginView::WebUILoginView()
     : status_area_(NULL),
-      profile_(NULL),
       webui_login_(NULL),
       status_window_(NULL),
       host_window_frozen_(false),
       status_area_visibility_on_init_(true) {
 #if defined(TOUCH_UI)
   // Make sure the singleton KeyboardManager object is created.
   KeyboardManager::GetInstance();
 #endif
   accel_map_[views::Accelerator(ui::VKEY_Z, false, true, true)] =
       kAccelNameAccessibility;
   accel_map_[views::Accelerator(ui::VKEY_E, false, true, true)] =
       kAccelNameEnrollment;
 
   for (AccelMap::iterator i(accel_map_.begin()); i != accel_map_.end(); ++i)
     AddAccelerator(i->first);
 }
 
 WebUILoginView::~WebUILoginView() {
   if (status_window_)
     status_window_->Close();
   status_window_ = NULL;
 }
 
 void WebUILoginView::Init() {
-  profile_ = ProfileManager::GetDefaultProfile();
 
   webui_login_ = new DOMView();
   AddChildView(webui_login_);
-  webui_login_->Init(profile_, NULL);
+  webui_login_->Init(ProfileManager::GetDefaultProfile(), NULL);
   webui_login_->SetVisible(true);
   webui_login_->tab_contents()->set_delegate(this);
 
   tab_watcher_.reset(new TabFirstRenderWatcher(webui_login_->tab_contents(),
                                                this));
 }
 
 std::string WebUILoginView::GetClassName() const {
   return kViewClassName;
 }
@@ skipping 62 matching lines @@
   DCHECK(webui_login_);
   webui_login_->SetBoundsRect(bounds());
 }
 
 void WebUILoginView::ChildPreferredSizeChanged(View* child) {
   Layout();
   SchedulePaint();
 }
 
 Profile* WebUILoginView::GetProfile() const {
-  return profile_;
+  return ProfileManager::GetDefaultProfile();

[xiyuan, 2011/09/08 02:12:36]

Let's return NULL here. As this is an implementation for
StatusAreaHost::GetProfile and it makes no sense to expose login incoginito
profile here. 

See BackgroundView::GetProfile.

 }
 
 void WebUILoginView::ExecuteBrowserCommand(int id) const {
 }
 
 bool WebUILoginView::ShouldOpenButtonOptions(
     const views::View* button_view) const {
   if (button_view == status_area_->network_view())
     return true;
 
@@ skipping 126 matching lines @@
                                                         GetFocusManager());
 
   // Make sure error bubble is cleared on keyboard event. This is needed
   // when the focus is inside an iframe.
   WebUI* web_ui = GetWebUI();
   if (web_ui)
     web_ui->CallJavascriptFunction("cr.ui.Oobe.clearErrors");
 }
 
 }  // namespace chromeos