cros: Add a header for gaia auth requests.

chrome/browser/chromeos/login/webui_login_view.cc

Index: chrome/browser/chromeos/login/webui_login_view.cc
diff --git a/chrome/browser/chromeos/login/webui_login_view.cc b/chrome/browser/chromeos/login/webui_login_view.cc
index e6f7dedd74d71ec79a76352e5f29b93e2d86af74..756223124a9934b68cd5f805d86c828960666b35 100644
--- a/chrome/browser/chromeos/login/webui_login_view.cc
+++ b/chrome/browser/chromeos/login/webui_login_view.cc
@@ -8,6 +8,7 @@
 #include "ash/system/tray/system_tray.h"
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/rtl.h"
 #include "base/utf_string_conversions.h"
@@ -17,6 +18,9 @@
 #include "chrome/browser/chromeos/login/base_login_display_host.h"
 #include "chrome/browser/chromeos/login/proxy_settings_dialog.h"
 #include "chrome/browser/chromeos/login/webui_login_display.h"
+#include "chrome/browser/extensions/component_loader.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/password_manager/password_manager_delegate_impl.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ -25,6 +29,7 @@
 #include "chrome/browser/ui/web_contents_modal_dialog_manager.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/render_messages.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
@@ -35,6 +40,7 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/browser/web_ui.h"
+#include "grit/browser_resources.h"
 #include "ui/aura/env.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
@@ -114,6 +120,49 @@ namespace chromeos {
 const char WebUILoginView::kViewClassName[] =
     "browser/chromeos/login/WebUILoginView";
 
+// WebUILoginView::ScopedGaiaAuthExtension -------------------------------------
+class WebUILoginView::ScopedGaiaAuthExtension {
+ public:
+  explicit ScopedGaiaAuthExtension(Profile* profile)
+      : profile_(profile) {
+    LoadGaiaAuthExtension();
+  }
+
+  ~ScopedGaiaAuthExtension() {
+    UnloadGaiaAuthExtension();
+  }
+
+ private:
+  extensions::ComponentLoader* GetComponentLoader() {
+    extensions::ExtensionSystem* extension_system =
+        extensions::ExtensionSystem::Get(profile_);
+    ExtensionService* extension_service = extension_system->extension_service();
+    return extension_service->component_loader();
+  }
+
+  void LoadGaiaAuthExtension() {
+    extensions::ComponentLoader* component_loader = GetComponentLoader();
+    const CommandLine* command_line = CommandLine::ForCurrentProcess();
+    if (command_line->HasSwitch(switches::kAuthExtensionPath)) {
+      base::FilePath auth_extension_path =
+          command_line->GetSwitchValuePath(switches::kAuthExtensionPath);
+      component_loader->Add(IDR_GAIA_TEST_AUTH_MANIFEST, auth_extension_path);
+      return;
+    }
+    component_loader->Add(IDR_GAIA_AUTH_MANIFEST,
+                          base::FilePath(FILE_PATH_LITERAL("gaia_auth")));
+  }
+
+  void UnloadGaiaAuthExtension() {
+    const char kGaiaAuthId[] = "mfffpogegjflfpflabcdkioaeobkgjik";
+    GetComponentLoader()->Remove(kGaiaAuthId);
+  }
+
+  Profile* profile_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedGaiaAuthExtension);
+};
+
 // WebUILoginView public: ------------------------------------------------------
 
 WebUILoginView::WebUILoginView()
@@ -151,8 +200,11 @@ WebUILoginView::~WebUILoginView() {
 }
 
 void WebUILoginView::Init(views::Widget* login_window) {
+  Profile* profile = ProfileManager::GetDefaultProfile();
+  gaia_auth_.reset(new ScopedGaiaAuthExtension(profile));
+
   login_window_ = login_window;
-  webui_login_ = new views::WebView(ProfileManager::GetDefaultProfile());
+  webui_login_ = new views::WebView(profile);
   AddChildView(webui_login_);
 
   WebContents* web_contents = webui_login_->GetWebContents();