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

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1816 matching lines @@
         if (canvas) {
             // Clip rect to the confines of the rootLayerTexture.
             IntRect resizeRect(rect);
             resizeRect.intersect(IntRect(IntPoint(0, 0), m_layerTreeView->deviceViewportSize()));
             doPixelReadbackToCanvas(canvas, resizeRect);
         }
     } else {
         FrameView* view = page()->mainFrame()->view();
         PaintBehavior oldPaintBehavior = view->paintBehavior();
         if (isAcceleratedCompositingActive()) {
-            ASSERT(option == ForceSoftwareRenderingAndIgnoreGPUResidentContent);            
+            ASSERT(option == ForceSoftwareRenderingAndIgnoreGPUResidentContent);
             view->setPaintBehavior(oldPaintBehavior | PaintBehaviorFlattenCompositingLayers);
         }
 
         double paintStart = currentTime();
         PageWidgetDelegate::paint(m_page.get(), pageOverlays(), canvas, rect, isTransparent() ? PageWidgetDelegate::Translucent : PageWidgetDelegate::Opaque);
         double paintEnd = currentTime();
         double pixelsPerSec = (rect.width * rect.height) / (paintEnd - paintStart);
         WebKit::Platform::current()->histogramCustomCounts("Renderer4.SoftwarePaintDurationMS", (paintEnd - paintStart) * 1000, 0, 120, 30);
         WebKit::Platform::current()->histogramCustomCounts("Renderer4.SoftwarePaintMegapixPerSecond", pixelsPerSec / 1000000, 10, 210, 30);
 
         if (isAcceleratedCompositingActive()) {
-            ASSERT(option == ForceSoftwareRenderingAndIgnoreGPUResidentContent);            
+            ASSERT(option == ForceSoftwareRenderingAndIgnoreGPUResidentContent);
             view->setPaintBehavior(oldPaintBehavior);
         }
     }
 }
 
 bool WebViewImpl::isTrackingRepaints() const
 {
     if (!page())
         return false;
     FrameView* view = page()->mainFrame()->view();
@@ skipping 2290 matching lines @@
 }
 
 bool WebViewImpl::shouldDisableDesktopWorkarounds()
 {
     ViewportArguments arguments = mainFrameImpl()->frame()->document()->viewportArguments();
     return arguments.width == ViewportArguments::ValueDeviceWidth || !arguments.userZoom
         || (arguments.minZoom == arguments.maxZoom && arguments.minZoom != ViewportArguments::ValueAuto);
 }
 
 } // namespace WebKit