Merge 95668 - [chromium] SharedGraphicsContext3D's context should not be destroyed during atexit

Source/WebCore/platform/graphics/gpu/SharedGraphicsContext3D.cpp

Index: Source/WebCore/platform/graphics/gpu/SharedGraphicsContext3D.cpp
===================================================================
--- Source/WebCore/platform/graphics/gpu/SharedGraphicsContext3D.cpp	(revision 95829)
+++ Source/WebCore/platform/graphics/gpu/SharedGraphicsContext3D.cpp	(working copy)
@@ -38,8 +38,8 @@
     attributes.antialias = false;
     attributes.canRecoverFromContextLoss = false; // Canvas contexts can not handle lost contexts.
     attributes.shareResources = true;
-    static RefPtr<GraphicsContext3D> context = GraphicsContext3D::create(attributes, window);
-    return context.get();
+    static GraphicsContext3D* context = GraphicsContext3D::create(attributes, window).leakRef();
+    return context;
 }
 
 }