Add thread affinity and ASSERT() for same-thread restriction to WTF::Function

third_party/WebKit/Source/platform/WebThreadSupportingGC.h

Index: third_party/WebKit/Source/platform/WebThreadSupportingGC.h
diff --git a/third_party/WebKit/Source/platform/WebThreadSupportingGC.h b/third_party/WebKit/Source/platform/WebThreadSupportingGC.h
index b9fb4e799972d03e2c7eb940a53c2ea4e0b50d9e..672177a3a842df7f4d37891cb31dbc78c8e93d63 100644
--- a/third_party/WebKit/Source/platform/WebThreadSupportingGC.h
+++ b/third_party/WebKit/Source/platform/WebThreadSupportingGC.h
@@ -33,9 +33,9 @@ public:
     static PassOwnPtr<WebThreadSupportingGC> createForThread(WebThread*);
     ~WebThreadSupportingGC();
 
-    void postTask(const WebTraceLocation& location, PassOwnPtr<Closure> task)
+    void postTask(const WebTraceLocation& location, PassOwnPtr<Closure> closure)
     {
-        m_thread->taskRunner()->postTask(location, task);
+        m_thread->taskRunner()->postTask(location, closure);
     }
 
     void postDelayedTask(const WebTraceLocation& location, PassOwnPtr<Closure> task, long long delayMs)
@@ -43,6 +43,16 @@ public:
         m_thread->taskRunner()->postDelayedTask(location, task, delayMs);
     }
 
+    void postTask(const WebTraceLocation& location, PassOwnPtr<CrossThreadClosure> task)
+    {
+        m_thread->taskRunner()->postTask(location, task);
+    }
+
+    void postDelayedTask(const WebTraceLocation& location, PassOwnPtr<CrossThreadClosure> task, long long delayMs)
+    {
+        m_thread->taskRunner()->postDelayedTask(location, task, delayMs);
+    }
+
     bool isCurrentThread() const
     {
         return m_thread->isCurrentThread();