Cleanup: Add a NOTREACHED() when selecting a profile photo.

chrome/browser/ui/webui/options/manage_profile_handler.cc

 // Copyright (c) 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/webui/options/manage_profile_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 341 matching lines @@
       // Only log if they changed to the GAIA photo.
       // Selection of GAIA photo as avatar is logged as part of the function
       // below.
       ProfileMetrics::LogProfileSwitchGaia(ProfileMetrics::GAIA_OPT_IN);
     }
   } else if (profiles::IsDefaultAvatarIconUrl(icon_url, &new_icon_index)) {
     ProfileMetrics::LogProfileAvatarSelection(new_icon_index);
     pref_service->SetInteger(prefs::kProfileAvatarIndex, new_icon_index);
     pref_service->SetBoolean(prefs::kProfileUsingDefaultAvatar, false);
     pref_service->SetBoolean(prefs::kProfileUsingGAIAAvatar, false);
+  } else {
+    // Only default avatars and Gaia account photos are supported.
+    CHECK(false);
   }
   ProfileMetrics::LogProfileUpdate(profile_file_path);
 
   if (profile->IsSupervised())
     return;
 
   base::string16 new_profile_name;
   if (!args->GetString(2, &new_profile_name))
     return;
 
@@ skipping 155 matching lines @@
 
   // Update the UI buttons.
   OnHasProfileShortcuts(false);
 }
 
 void ManageProfileHandler::RefreshGaiaPicture(const base::ListValue* args) {
   profiles::UpdateGaiaProfileInfoIfNeeded(Profile::FromWebUI(web_ui()));
 }
 
 }  // namespace options