Implement DriveAPIService::UninstallApp().

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 292 matching lines @@
   if (sender_.get())
     sender_->auth_service()->RemoveObserver(this);
 }
 
 void DriveAPIService::Initialize(const std::string& account_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   std::vector<std::string> scopes;
   scopes.push_back(kDriveScope);
   scopes.push_back(kDriveAppsReadonlyScope);
+  scopes.push_back(util::kDriveAppsScope);
 
-  // GData WAPI token. These are for GetShareUrl().
+  // GData WAPI token for GetShareUrl() and GetResourceListInDirectoryByWapi().
   scopes.push_back(util::kDocsListScope);
-  scopes.push_back(util::kDriveAppsScope);
 
   sender_.reset(new RequestSender(
       new google_apis::AuthService(oauth2_token_service_,
                                    account_id,
                                    url_request_context_getter_.get(),
                                    scopes),
       url_request_context_getter_.get(),
       blocking_task_runner_.get(),
       custom_user_agent_));
   sender_->auth_service()->AddObserver(this);
@@ skipping 464 matching lines @@
   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();
+  google_apis::drive::AppsDeleteRequest* request =
+      new google_apis::drive::AppsDeleteRequest(sender_.get(), url_generator_,
+                                                callback);
+  request->set_app_id(app_id);
+  return sender_->StartRequestWithRetry(request);
 }
 
 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(
@@ skipping 62 matching lines @@
   if (CanSendRequest()) {
     FOR_EACH_OBSERVER(
         DriveServiceObserver, observers_, OnReadyToSendRequests());
   } else if (!HasRefreshToken()) {
     FOR_EACH_OBSERVER(
         DriveServiceObserver, observers_, OnRefreshTokenInvalid());
   }
 }
 
 }  // namespace drive