Use GN buildflags and features to configure account consistency

chrome/browser/signin/chrome_signin_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/signin/chrome_signin_helper.h"
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/signin/account_reconcilor_factory.h"
 #include "chrome/browser/signin/chrome_signin_client.h"
 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 #include "chrome/browser/signin/dice_response_handler.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/url_constants.h"
 #include "components/signin/core/browser/account_reconcilor.h"
 #include "components/signin/core/browser/chrome_connected_header_helper.h"
 #include "components/signin/core/browser/signin_header_helper.h"
 #include "components/signin/core/common/profile_management_switches.h"
+#include "components/signin/core/common/signin_features.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request.h"
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/android/signin/account_management_screen_helper.h"
 #else
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 #endif  // defined(OS_ANDROID)
 
 namespace signin {
 
 namespace {
 
 const char kChromeManageAccountsHeader[] = "X-Chrome-Manage-Accounts";
 
-#if !defined(OS_ANDROID)
+#if BUILDFLAG(ENABLE_DICE_SUPPORT)
 const char kDiceResponseHeader[] = "X-Chrome-ID-Consistency-Response";
 #endif
 
 // Processes the mirror response header on the UI thread. Currently depending
 // on the value of |header_value|, it either shows the profile avatar menu, or
 // opens an incognito window/tab.
 void ProcessMirrorHeaderUIThread(
     ManageAccountsParams manage_accounts_params,
     const content::ResourceRequestInfo::WebContentsGetter&
         web_contents_getter) {
@@ skipping 46 matching lines @@
         ui::PAGE_TRANSITION_AUTO_TOPLEVEL, false));
   } else {
     signin_metrics::LogAccountReconcilorStateOnGaiaResponse(
         account_reconcilor->GetState());
     AccountManagementScreenHelper::OpenAccountManagementScreen(profile,
                                                                service_type);
   }
 #endif  // !defined(OS_ANDROID)
 }
 
-#if !defined(OS_ANDROID)
+#if BUILDFLAG(ENABLE_DICE_SUPPORT)
 void ProcessDiceHeaderUIThread(
     const DiceResponseParams& dice_params,
     const content::ResourceRequestInfo::WebContentsGetter&
         web_contents_getter) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DCHECK_EQ(switches::AccountConsistencyMethod::kDice,
             switches::GetAccountConsistencyMethod());
 
   content::WebContents* web_contents = web_contents_getter.Run();
   if (!web_contents)
     return;
 
   Profile* profile =
       Profile::FromBrowserContext(web_contents->GetBrowserContext());
   DCHECK(!profile->IsOffTheRecord());
 
   DiceResponseHandler* dice_response_handler =
       DiceResponseHandler::GetForProfile(profile);
   dice_response_handler->ProcessDiceHeader(dice_params);
 }
-#endif  // !defined(OS_ANDROID)
+#endif  // BUILDFLAG(ENABLE_DICE_SUPPORT)
 
 // Looks for the X-Chrome-Manage-Accounts response header, and if found,
 // tries to show the avatar bubble in the browser identified by the
 // child/route id. Must be called on IO thread.
 void ProcessMirrorResponseHeaderIfExists(
     net::URLRequest* request,
     ProfileIOData* io_data,
     const content::ResourceRequestInfo::WebContentsGetter&
         web_contents_getter) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
@@ skipping 33 matching lines @@
   // If the request does not have a response header or if the header contains
   // garbage, then |service_type| is set to |GAIA_SERVICE_TYPE_NONE|.
   if (params.service_type == GAIA_SERVICE_TYPE_NONE)
     return;
 
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(ProcessMirrorHeaderUIThread, params, web_contents_getter));
 }
 
-#if !defined(OS_ANDROID)
+#if BUILDFLAG(ENABLE_DICE_SUPPORT)
 void ProcessDiceResponseHeaderIfExists(
     net::URLRequest* request,
     ProfileIOData* io_data,
     const content::ResourceRequestInfo::WebContentsGetter&
         web_contents_getter) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
   if (io_data->IsOffTheRecord())
     return;
 
@@ skipping 23 matching lines @@
   DiceResponseParams params = BuildDiceResponseParams(header_value);
   // If the request does not have a response header or if the header contains
   // garbage, then |user_intention| is set to |NONE|.
   if (params.user_intention == DiceAction::NONE)
     return;
 
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(ProcessDiceHeaderUIThread, params, web_contents_getter));
 }
-#endif  // !defined(OS_ANDROID)
+#endif  // BUILDFLAG(ENABLE_DICE_SUPPORT)
 
 }  // namespace
 
 void FixAccountConsistencyRequestHeader(net::URLRequest* request,
                                         const GURL& redirect_url,
                                         ProfileIOData* io_data,
                                         int child_id,
                                         int route_id) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
@@ skipping 37 matching lines @@
   if (redirect_url.is_empty()) {
     // This is not a redirect.
 
     // See if the response contains the X-Chrome-Manage-Accounts header. If so
     // show the profile avatar bubble so that user can complete signin/out
     // action the native UI.
     ProcessMirrorResponseHeaderIfExists(request, io_data, web_contents_getter);
   } else {
     // This is a redirect.
 
-#if !defined(OS_ANDROID)
+#if BUILDFLAG(ENABLE_DICE_SUPPORT)
     // Process the Dice header: on sign-in, exchange the authorization code for
     // a refresh token, on sign-out just follow the sign-out URL.
     ProcessDiceResponseHeaderIfExists(request, io_data, web_contents_getter);
-#endif
+#endif  // BUILDFLAG(ENABLE_DICE_SUPPORT)
   }
 }
 
 }  // namespace signin