Add UninstallApp() method to DriveAPIService interface.

chrome/browser/drive/drive_api_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/drive/drive_api_service.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 774 matching lines @@
   DCHECK(!callback.is_null());
 
   FilesGetRequest* request = new FilesGetRequest(
       sender_.get(), url_generator_,
       base::Bind(&ExtractOpenUrlAndRun, app_id, callback));
   request->set_file_id(resource_id);
   request->set_fields(kFileResourceOpenWithLinksFields);
   return sender_->StartRequestWithRetry(request);
 }
 
+CancelCallback DriveAPIService::UninstallApp(
+    const std::string& app_id,
+    const google_apis::EntryActionCallback& callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(!callback.is_null());
+
+  // TODO(kinaba) implement.
+  NOTREACHED();
+  return CancelCallback();
+}
+
 CancelCallback DriveAPIService::GetResourceListInDirectoryByWapi(
     const std::string& directory_resource_id,
     const google_apis::GetResourceListCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!directory_resource_id.empty());
   DCHECK(!callback.is_null());
 
   return sender_->StartRequestWithRetry(
       new GetResourceListRequest(sender_.get(),
                                  wapi_url_generator_,
@@ skipping 60 matching lines @@
   if (CanSendRequest()) {
     FOR_EACH_OBSERVER(
         DriveServiceObserver, observers_, OnReadyToSendRequests());
   } else if (!HasRefreshToken()) {
     FOR_EACH_OBSERVER(
         DriveServiceObserver, observers_, OnRefreshTokenInvalid());
   }
 }
 
 }  // namespace drive