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

Source/core/css/CSSToStyleMap.cpp

Index: Source/core/css/CSSToStyleMap.cpp
diff --git a/Source/core/css/CSSToStyleMap.cpp b/Source/core/css/CSSToStyleMap.cpp
index e473703aa8b5979595bf6b33987395416f4c37b2..272d1a90010bae91971746ce3a7d3b289f3edd71 100644
--- a/Source/core/css/CSSToStyleMap.cpp
+++ b/Source/core/css/CSSToStyleMap.cpp
@@ -45,7 +45,7 @@ const RenderStyle* CSSToStyleMap::style() const
 {
     return m_state.style();
 }
-    
+
 const RenderStyle* CSSToStyleMap::rootElementStyle() const
 {
     return m_state.rootElementStyle();
@@ -55,7 +55,7 @@ bool CSSToStyleMap::useSVGZoomRules() const
 {
     return m_state.useSVGZoomRules();
 }
-    
+
 PassRefPtr<StyleImage> CSSToStyleMap::styleImage(CSSPropertyID propertyId, CSSValue* value)
 {
     return m_elementStyleResources.styleImage(m_state.document()->textLinkColors(), propertyId, value);