Fix Runtime.executionContextCreated for crafted iframes.

Source/bindings/core/v8/WindowProxy.cpp

Index: Source/bindings/core/v8/WindowProxy.cpp
diff --git a/Source/bindings/core/v8/WindowProxy.cpp b/Source/bindings/core/v8/WindowProxy.cpp
index fa2928e3336b7c58a8ce62a200d03d8bb59b955a..500ea5f0c9095cbe3cc502cc91c09255dc4bccd4 100644
--- a/Source/bindings/core/v8/WindowProxy.cpp
+++ b/Source/bindings/core/v8/WindowProxy.cpp
@@ -226,7 +226,10 @@ bool WindowProxy::initialize()
         // ActivityLogger for main world is updated within updateDocument().
         updateDocument();
         if (m_frame->document()) {
-            setSecurityToken(m_frame->document()->securityOrigin());
+            SecurityOrigin* origin = m_frame->document()->securityOrigin();

[yurys, 2014/10/30 10:23:43]

When is SecurityOrigin null?

[eustas, 2014/10/31 06:59:53]

According to setSecurityToken implementation, it can't be null for main world.

+            setSecurityToken(origin);
+            if (origin)
+                InspectorInstrumentation::didCreateMainWorldContext(m_frame, m_scriptState.get(), origin);
             ContentSecurityPolicy* csp = m_frame->document()->contentSecurityPolicy();
             context->AllowCodeGenerationFromStrings(csp->allowEval(0, ContentSecurityPolicy::SuppressReport));
             context->SetErrorMessageForCodeGenerationFromStrings(v8String(m_isolate, csp->evalDisabledErrorMessage()));
@@ -235,9 +238,8 @@ bool WindowProxy::initialize()
         updateActivityLogger();
         SecurityOrigin* origin = m_world->isolatedWorldSecurityOrigin();
         setSecurityToken(origin);
-        if (origin && InspectorInstrumentation::hasFrontends()) {
+        if (origin)
             InspectorInstrumentation::didCreateIsolatedContext(m_frame, m_scriptState.get(), origin);
-        }
     }
     m_frame->loader().client()->didCreateScriptContext(context, m_world->extensionGroup(), m_world->worldId());
     return true;