Invalidate the frame view when changing the background image of the document or body.

Source/core/rendering/RenderView.cpp

Index: Source/core/rendering/RenderView.cpp
diff --git a/Source/core/rendering/RenderView.cpp b/Source/core/rendering/RenderView.cpp
index df0b318f126f324e8ad8295bbb7b07c2d96b0245..577799ed1a5d1e377ab0e167d297528aa45cabfa 100644
--- a/Source/core/rendering/RenderView.cpp
+++ b/Source/core/rendering/RenderView.cpp
@@ -167,8 +167,10 @@ bool RenderView::shouldDoFullPaintInvalidationForNextLayout() const
     if (shouldUsePrintingLayout())
         return true;
 
-    if (!style()->isHorizontalWritingMode() || width() != viewWidth())
+    if (!style()->isHorizontalWritingMode() || width() != viewWidth()) {
+        fprintf(stderr, "change view width\n");

[dsinclair, 2014/10/31 00:14:34]

Remove.

[chrishtr, 2014/10/31 18:22:24]

Fixed.

         return true;
+    }
 
     if (height() != viewHeight()) {
         if (RenderObject* backgroundRenderer = this->backgroundRenderer()) {
@@ -179,7 +181,7 @@ bool RenderView::shouldDoFullPaintInvalidationForNextLayout() const
             if (!m_compositor || !m_compositor->needsFixedRootBackgroundLayer(layer())) {
                 if (backgroundRenderer->style()->hasFixedBackgroundImage()
                     && mustInvalidateFillLayersPaintOnHeightChange(backgroundRenderer->style()->backgroundLayers()))
-                return true;
+                    return true;
             }
         }
     }