Remove HasBeenShutdown check on iOS for the sign-in confirmation.

chrome/browser/ui/sync/profile_signin_confirmation_helper.cc

 // Copyright 2013 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/sync/profile_signin_confirmation_helper.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
@@ skipping 20 matching lines @@
 #include "extensions/common/extension_set.h"
 #endif
 
 namespace {
 
 const int kHistoryEntriesBeforeNewProfilePrompt = 10;
 
 // Determines whether a profile has any typed URLs in its history.
 class HasTypedURLsTask : public history::HistoryDBTask {
  public:
-  HasTypedURLsTask(const base::Callback<void(bool)>& cb)
+  explicit HasTypedURLsTask(const base::Callback<void(bool)>& cb)
       : has_typed_urls_(false), cb_(cb) {
   }
 
   virtual bool RunOnDBThread(history::HistoryBackend* backend,
                              history::HistoryDatabase* db) OVERRIDE {
     history::URLRows rows;
     backend->GetAllTypedURLs(&rows);
     if (!rows.empty()) {
       DVLOG(1) << "ProfileSigninConfirmationHelper: profile contains "
                << rows.size() << " typed URLs";
@@ skipping 130 matching lines @@
 namespace ui {
 
 SkColor GetSigninConfirmationPromptBarColor(SkAlpha alpha) {
   static const SkColor kBackgroundColor =
       ui::NativeTheme::instance()->GetSystemColor(
           ui::NativeTheme::kColorId_DialogBackground);
   return color_utils::BlendTowardOppositeLuminance(kBackgroundColor, alpha);
 }
 
 bool HasBeenShutdown(Profile* profile) {
+#if defined(OS_IOS)
+  // This check is not useful on iOS: the browser can be shut down without
+  // explicit user action (for example, in response to memory pressure), and
+  // this should be invisible to the user. The desktop assumption that the
+  // profile going through a restart indicates something about user intention
+  // does not hold. We rely on the other profile dirtiness checks.
+  return false;
+#else
   bool has_been_shutdown = !profile->IsNewProfile();
   if (has_been_shutdown)
     DVLOG(1) << "ProfileSigninConfirmationHelper: profile is not new";
   return has_been_shutdown;
+#endif
 }
 
 bool HasSyncedExtensions(Profile* profile) {
 #if defined(ENABLE_EXTENSIONS)
   extensions::ExtensionSystem* system =
       extensions::ExtensionSystem::Get(profile);
   if (system && system->extension_service()) {
     const extensions::ExtensionSet* extensions =
         system->extension_service()->extensions();
     for (extensions::ExtensionSet::const_iterator iter = extensions->begin();
@@ skipping 26 matching lines @@
     return;
   }
   // Fire asynchronous queries for profile data.
   ProfileSigninConfirmationHelper* helper =
       new ProfileSigninConfirmationHelper(profile, return_result);
   helper->CheckHasHistory(kHistoryEntriesBeforeNewProfilePrompt);
   helper->CheckHasTypedURLs();
 }
 
 }  // namespace ui