Fix trailing whitespace in .cpp, .h, and .idl files

Source/core/html/HTMLPlugInImageElement.cpp

Index: Source/core/html/HTMLPlugInImageElement.cpp
diff --git a/Source/core/html/HTMLPlugInImageElement.cpp b/Source/core/html/HTMLPlugInImageElement.cpp
index 8a931c22f48be1fcbd6cdcb2b340c3dd78273dee..13b2a8108fac7caa14ea514ebedcc97cf73f16a1 100644
--- a/Source/core/html/HTMLPlugInImageElement.cpp
+++ b/Source/core/html/HTMLPlugInImageElement.cpp
@@ -91,7 +91,7 @@ bool HTMLPlugInImageElement::isImageType()
 }
 
 // We don't use m_url, as it may not be the final URL that the object loads,
-// depending on <param> values. 
+// depending on <param> values.
 bool HTMLPlugInImageElement::allowedToLoadFrameURL(const String& url)
 {
     KURL completeURL = document()->completeURL(url);
@@ -104,7 +104,7 @@ bool HTMLPlugInImageElement::allowedToLoadFrameURL(const String& url)
 }
 
 // We don't use m_url, or m_serviceType as they may not be the final values
-// that <object> uses depending on <param> values. 
+// that <object> uses depending on <param> values.
 bool HTMLPlugInImageElement::wouldLoadAsNetscapePlugin(const String& url, const String& serviceType)
 {
     ASSERT(document());
@@ -149,7 +149,7 @@ void HTMLPlugInImageElement::attach(const AttachContext& context)
     PostAttachCallbackDisabler disabler(this);
 
     bool isImage = isImageType();
-    
+
     if (!isImage)
         queuePostAttachCallback(&HTMLPlugInImageElement::updateWidgetCallback, this);
 
@@ -191,10 +191,10 @@ void HTMLPlugInImageElement::finishParsingChildren()
     HTMLPlugInElement::finishParsingChildren();
     if (useFallbackContent())
         return;
-    
+
     setNeedsWidgetUpdate(true);
     if (inDocument())
-        setNeedsStyleRecalc();    
+        setNeedsStyleRecalc();
 }
 
 void HTMLPlugInImageElement::didMoveToNewDocument(Document* oldDocument)