Implement GetResourceListInDirectoryByWapi.

chrome/browser/drive/drive_api_service.cc

Index: chrome/browser/drive/drive_api_service.cc
diff --git a/chrome/browser/drive/drive_api_service.cc b/chrome/browser/drive/drive_api_service.cc
index 1eb5be9823be5163d0e6c00d830de6ee208e28b9..85bf2aefe6c439256017089c844c8e44ebb4d25a 100644
--- a/chrome/browser/drive/drive_api_service.cc
+++ b/chrome/browser/drive/drive_api_service.cc
@@ -40,6 +40,7 @@ using google_apis::GetContentCallback;
 using google_apis::GetResourceEntryCallback;
 using google_apis::GetResourceEntryRequest;
 using google_apis::GetResourceListCallback;
+using google_apis::GetResourceListRequest;
 using google_apis::GetShareUrlCallback;
 using google_apis::HTTP_NOT_IMPLEMENTED;
 using google_apis::HTTP_SUCCESS;
@@ -826,6 +827,40 @@ CancelCallback DriveAPIService::AuthorizeApp(
   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(
+      new GetResourceListRequest(sender_.get(),
+                                 wapi_url_generator_,
+                                 GURL(),         // No override url
+                                 0,              // start changestamp
+                                 std::string(),  // empty search query
+                                 directory_resource_id,
+                                 callback));
+}
+
+CancelCallback DriveAPIService::GetRemainingResourceList(
+    const GURL& next_url,
+    const google_apis::GetResourceListCallback& callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(!next_url.is_empty());
+  DCHECK(!callback.is_null());
+
+  return sender_->StartRequestWithRetry(
+      new GetResourceListRequest(sender_.get(),
+                                 wapi_url_generator_,
+                                 next_url,
+                                 0,              // start changestamp
+                                 std::string(),  // empty search query
+                                 std::string(),  // no directory resource id
+                                 callback));
+}
+
 bool DriveAPIService::HasAccessToken() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   return sender_->auth_service()->HasAccessToken();