Reland "Correctly set ScriptState in the image loader microtask"

Source/core/page/ChromeClient.h

Index: Source/core/page/ChromeClient.h
diff --git a/Source/core/page/ChromeClient.h b/Source/core/page/ChromeClient.h
index 4fd3ea28c960d03df543ba8f773c08647efb73fb..4680beb67e1e3209af06f117c8745d118faa45f5 100644
--- a/Source/core/page/ChromeClient.h
+++ b/Source/core/page/ChromeClient.h
@@ -98,8 +98,8 @@ public:
     // created Page has its show method called.
     // The FrameLoadRequest parameter is only for ChromeClient to check if the
     // request could be fulfilled. The ChromeClient should not load the request.
-    virtual Page* createWindow(LocalFrame*, const FrameLoadRequest&, const WindowFeatures&, NavigationPolicy, ShouldSendReferrer) = 0;
-    virtual void show(NavigationPolicy = NavigationPolicyIgnore) = 0;
+    virtual Page* createWindow(LocalFrame*, const FrameLoadRequest&, const WindowFeatures&, NavigationPolicy, ShouldSendReferrer, CreateWindowReason) = 0;
+    virtual void show(NavigationPolicy, CreateWindowReason) = 0;
 
     void setWindowFeatures(const WindowFeatures&);