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

Source/core/platform/Scrollbar.cpp

Index: Source/core/platform/Scrollbar.cpp
diff --git a/Source/core/platform/Scrollbar.cpp b/Source/core/platform/Scrollbar.cpp
index 7bf8b4107a4bbcdc877580ab2b23a161e0d536a7..742c417b0c06acaf2a5dd1c9bd90e9448ad141d5 100644
--- a/Source/core/platform/Scrollbar.cpp
+++ b/Source/core/platform/Scrollbar.cpp
@@ -105,9 +105,9 @@ Scrollbar::~Scrollbar()
 {
     if (AXObjectCache* cache = existingAXObjectCache())
         cache->remove(this);
-    
+
     stopTimerIfNeeded();
-    
+
     m_theme->unregisterScrollbar(this);
 }
 
@@ -144,7 +144,7 @@ void Scrollbar::offsetDidChange()
     m_currentPos = position;
     updateThumbPosition();
     if (m_pressedPart == ThumbPart)
-        setPressedPos(m_pressedPos + theme()->thumbPosition(this) - oldThumbPosition);    
+        setPressedPos(m_pressedPos + theme()->thumbPosition(this) - oldThumbPosition);
 }
 
 void Scrollbar::setProportion(int visibleSize, int totalSize)
@@ -313,7 +313,7 @@ void Scrollbar::moveThumb(int pos, bool draggingDocument)
         delta = min(trackLen - thumbLen - thumbPos, delta);
     else if (delta < 0)
         delta = max(-thumbPos, delta);
-    
+
     float minPos = m_scrollableArea->minimumScrollPosition(m_orientation);
     float maxPos = m_scrollableArea->maximumScrollPosition(m_orientation);
     if (delta) {
@@ -392,7 +392,7 @@ void Scrollbar::mouseMoved(const PlatformMouseEvent& evt)
             if (m_scrollableArea)
                 m_scrollableArea->scrollToOffsetWithoutAnimation(m_orientation, m_dragOrigin);
         } else {
-            moveThumb(m_orientation == HorizontalScrollbar ? 
+            moveThumb(m_orientation == HorizontalScrollbar ?
                       convertFromContainingWindow(evt.position()).x() :
                       convertFromContainingWindow(evt.position()).y(), theme()->shouldDragDocumentInsteadOfThumb(this, evt));
         }
@@ -416,10 +416,10 @@ void Scrollbar::mouseMoved(const PlatformMouseEvent& evt)
                 stopTimerIfNeeded();
                 theme()->invalidatePart(this, m_pressedPart);
             }
-        } 
-        
+        }
+
         setHoveredPart(part);
-    } 
+    }
 
     return;
 }
@@ -464,7 +464,7 @@ void Scrollbar::mouseDown(const PlatformMouseEvent& evt)
 
     setPressedPart(theme()->hitTest(this, evt.position()));
     int pressedPos = (orientation() == HorizontalScrollbar ? convertFromContainingWindow(evt.position()).x() : convertFromContainingWindow(evt.position()).y());
-    
+
     if ((m_pressedPart == BackTrackPart || m_pressedPart == ForwardTrackPart) && theme()->shouldCenterOnThumb(this, evt)) {
         setHoveredPart(ThumbPart);
         setPressedPart(ThumbPart);
@@ -478,7 +478,7 @@ void Scrollbar::mouseDown(const PlatformMouseEvent& evt)
         return;
     } else if (m_pressedPart == ThumbPart)
         m_dragOrigin = m_currentPos;
-    
+
     m_pressedPos = pressedPos;
 
     autoscrollPressedPart(theme()->initialAutoscrollTimerDelay());
@@ -526,7 +526,7 @@ void Scrollbar::setParent(ScrollView* parentView)
 }
 
 void Scrollbar::setEnabled(bool e)
-{ 
+{
     if (m_enabled == e)
         return;
     m_enabled = e;
@@ -556,7 +556,7 @@ AXObjectCache* Scrollbar::existingAXObjectCache() const
 {
     if (!parent())
         return 0;
-    
+
     return parent()->axObjectCache();
 }