Fix a null-ptr renderer crash.

http://code.google.com/p/chromium/issues/detail?id=3946
Review URL: http://codereview.chromium.org/8978

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@4327 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 0 deletions

diff --git a/webkit/port/platform/graphics/GraphicsContextSkia.cpp b/webkit/port/platform/graphics/GraphicsContextSkia.cpp
index c91de5d..b14839e 100644
--- a/webkit/port/platform/graphics/GraphicsContextSkia.cpp
+++ b/webkit/port/platform/graphics/GraphicsContextSkia.cpp
@@ -996,21 +996,29 @@ void GraphicsContext::setURLForRect(const KURL& link, const IntRect& destRect)
 
 void GraphicsContext::setPlatformFillColor(const Color& color)
 {
+    if (paintingDisabled())
+        return;
     platformContext()->setFillColor(color.rgb());
 }
 
 void GraphicsContext::setPlatformStrokeColor(const Color& strokecolor)
 {
+    if (paintingDisabled())
+        return;
     platformContext()->setStrokeColor(strokecolor.rgb());
 }
 
 void GraphicsContext::setPlatformStrokeThickness(float thickness)
 {
+    if (paintingDisabled())
+        return;
     platformContext()->setStrokeThickness(thickness);
 }
 
 void GraphicsContext::setPlatformTextDrawingMode(int mode)
 {
+    if (paintingDisabled())
+        return;
     platformContext()->setTextDrawingMode(mode);
 }