Add sign in dialog for GCP->print preview integration.

chrome/browser/printing/cloud_print/cloud_print_url.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/printing/cloud_print/cloud_print_url.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "googleurl/src/gurl.h"
 
 const char kDefaultCloudPrintServiceURL[] = "https://www.google.com/cloudprint";
+const char kDefaultCloudPrintSigninURL[] =
+    "https://www.google.com/accounts/ServiceLogin?"
+    "service=cloudprint&continue=https%3A%2F%2Fwww.google.com%2Fcloudprint";
+
 const char kLearnMoreURL[] =
     "https://www.google.com/support/cloudprint";
 const char kTestPageURL[] =
     "http://www.google.com/landing/cloudprint/enable.html?print=true";
 
 void CloudPrintURL::RegisterPreferences() {
   DCHECK(profile_);
   PrefService* pref_service = profile_->GetPrefs();
-  if (pref_service->FindPreference(prefs::kCloudPrintServiceURL))
-    return;
-  pref_service->RegisterStringPref(prefs::kCloudPrintServiceURL,
-                                   kDefaultCloudPrintServiceURL,
-                                   PrefService::UNSYNCABLE_PREF);
+  if (!pref_service->FindPreference(prefs::kCloudPrintServiceURL)) {
+    pref_service->RegisterStringPref(prefs::kCloudPrintServiceURL,
+                                     kDefaultCloudPrintServiceURL,
+                                     PrefService::UNSYNCABLE_PREF);
+  }
+  if (!pref_service->FindPreference(prefs::kCloudPrintSigninURL)) {
+    pref_service->RegisterStringPref(prefs::kCloudPrintSigninURL,
+                                     kDefaultCloudPrintSigninURL,
+                                     PrefService::UNSYNCABLE_PREF);
+  }
 }
 
 // Returns the root service URL for the cloud print service.  The default is to
 // point at the Google Cloud Print service.  This can be overridden by the
 // command line or by the user preferences.
 GURL CloudPrintURL::GetCloudPrintServiceURL() {
   DCHECK(profile_);
   RegisterPreferences();
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   GURL cloud_print_service_url = GURL(command_line.GetSwitchValueASCII(
       switches::kCloudPrintServiceURL));
   if (cloud_print_service_url.is_empty()) {
     cloud_print_service_url = GURL(
         profile_->GetPrefs()->GetString(prefs::kCloudPrintServiceURL));
   }
   return cloud_print_service_url;
 }
 
+GURL CloudPrintURL::GetCloudPrintSigninURL() {
+  DCHECK(profile_);
+  RegisterPreferences();
+
+  GURL cloud_print_signin_url = GURL(
+      profile_->GetPrefs()->GetString(prefs::kCloudPrintSigninURL));
+  return google_util::AppendGoogleLocaleParam(cloud_print_signin_url);
+}
+
 GURL CloudPrintURL::GetCloudPrintServiceDialogURL() {
   GURL cloud_print_service_url = GetCloudPrintServiceURL();
   std::string path(cloud_print_service_url.path() + "/client/dialog.html");
   GURL::Replacements replacements;
   replacements.SetPathStr(path);
   GURL cloud_print_dialog_url = cloud_print_service_url.ReplaceComponents(
       replacements);
   return google_util::AppendGoogleLocaleParam(cloud_print_dialog_url);
 }
 
@@ skipping 23 matching lines @@
 
 GURL CloudPrintURL::GetCloudPrintLearnMoreURL() {
   GURL cloud_print_learn_more_url(kLearnMoreURL);
   return cloud_print_learn_more_url;
 }
 
 GURL CloudPrintURL::GetCloudPrintTestPageURL() {
   GURL cloud_print_learn_more_url(kTestPageURL);
   return cloud_print_learn_more_url;
 }