Fix trailing whitespace in .cpp, .h, and .idl files (ex. Source/core)

Source/modules/geolocation/GeolocationController.cpp

Index: Source/modules/geolocation/GeolocationController.cpp
diff --git a/Source/modules/geolocation/GeolocationController.cpp b/Source/modules/geolocation/GeolocationController.cpp
index da65c2aebcdaeb0faa5d6bfd5f19ff465f73f171..80bac7825b20d34e8a0c813b65915abfd47fdcd0 100644
--- a/Source/modules/geolocation/GeolocationController.cpp
+++ b/Source/modules/geolocation/GeolocationController.cpp
@@ -61,7 +61,7 @@ void GeolocationController::addObserver(Geolocation* observer, bool enableHighAc
     if (enableHighAccuracy)
         m_highAccuracyObservers.add(observer);
 
-    if (m_client) {        
+    if (m_client) {
         if (enableHighAccuracy)
             m_client->setEnableHighAccuracy(true);
         if (wasEmpty)
@@ -139,5 +139,5 @@ void provideGeolocationTo(Page* page, GeolocationClient* client)
 {
     Supplement<Page>::provideTo(page, GeolocationController::supplementName(), GeolocationController::create(page, client));
 }
-    
+
 } // namespace WebCore