Remove invalid Chrome To Mobile DCHECK, infer notifications are enabled on receipt.

chrome/browser/chrome_to_mobile_service.cc

 // Copyright (c) 2012 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/chrome_to_mobile_service.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/guid.h"
@@ skipping 365 matching lines @@
 }
 
 void ChromeToMobileService::OnIncomingNotification(
     const syncer::ObjectIdPayloadMap& id_payloads,
     syncer::IncomingNotificationSource source) {
   DCHECK_EQ(id_payloads.size(), 1U);
   DCHECK_EQ(id_payloads.count(invalidation::ObjectId(
       ipc::invalidation::ObjectSource::CHROME_COMPONENTS,
       kSyncInvalidationObjectIdChromeToMobileDeviceList)), 1U);
   RequestDeviceSearch();
+  // TODO(msw|akalin): This may not necessarily mean notifications are enabled.
+  OnNotificationsEnabled();
 }
 
 const std::string& ChromeToMobileService::GetAccessTokenForTest() const {
   return access_token_;
 }
 
 void ChromeToMobileService::SetAccessTokenForTest(
     const std::string& access_token) {
   access_token_ = access_token;
 }
@@ skipping 106 matching lines @@
   access_token_fetcher_.reset(
       new OAuth2AccessTokenFetcher(this, profile_->GetRequestContext()));
   GaiaUrls* gaia_urls = GaiaUrls::GetInstance();
   access_token_fetcher_->Start(gaia_urls->oauth2_chrome_client_id(),
                                gaia_urls->oauth2_chrome_client_secret(),
                                token_service->GetOAuth2LoginRefreshToken(),
                                std::vector<std::string>(1, kCloudPrintAuth));
 }
 
 void ChromeToMobileService::RequestDeviceSearch() {
-  DCHECK(sync_invalidation_enabled_);
   if (access_token_.empty()) {
     // Enqueue this task to perform after obtaining an access token.
     task_queue_.push(base::Bind(&ChromeToMobileService::RequestDeviceSearch,
                                 weak_ptr_factory_.GetWeakPtr()));
     RequestAccessToken();
     return;
   }
 
   LogMetric(DEVICES_REQUESTED);
 
@@ skipping 76 matching lines @@
 
       // Ensure a second response is not sent after reporting failure below.
       request_observer_map_.erase(other);
       break;
     }
   }
 
   LogMetric(success ? SEND_SUCCESS : SEND_ERROR);
   observer->OnSendComplete(success);
 }