Move securityCheck out of V8WrapperInstantiationScope

third_party/WebKit/Source/bindings/core/v8/BindingSecurity.h

Index: third_party/WebKit/Source/bindings/core/v8/BindingSecurity.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/BindingSecurity.h b/third_party/WebKit/Source/bindings/core/v8/BindingSecurity.h
index 7d0c469a3bc98c838457785348369ec622ba7635..1dcbe9163c97701d56f56a0cef98bffef829f781 100644
--- a/third_party/WebKit/Source/bindings/core/v8/BindingSecurity.h
+++ b/third_party/WebKit/Source/bindings/core/v8/BindingSecurity.h
@@ -44,6 +44,7 @@ class Frame;
 class LocalDOMWindow;
 class Location;
 class Node;
+struct WrapperTypeInfo;
 
 class CORE_EXPORT BindingSecurity {
   STATIC_ONLY(BindingSecurity);
@@ -118,6 +119,17 @@ class CORE_EXPORT BindingSecurity {
 
   static void failedAccessCheckFor(v8::Isolate*, const Frame* target);
 
+  // Checks if currentContext has access to creationContext, and throws a
+  // SecurityError if it doesn't have access. If it does have access, any
+  // previously caught cross context exception (which was thrown in the creation
+  // context) is rethrown in the current context.
+  static void wrapperCreationSecurityCheck(
+      v8::Isolate*,
+      v8::Local<v8::Context> currentContext,
+      v8::Local<v8::Context> creationContext,
+      const WrapperTypeInfo*,
+      v8::Local<v8::Value> crossContextException);
+
  private:
   // Returns true if |accessingWindow| is allowed named access to |targetWindow|
   // because they're the same origin.  Note that named access should be allowed
@@ -132,6 +144,14 @@ class CORE_EXPORT BindingSecurity {
   friend class V8Window;
   static bool shouldAllowNamedAccessTo(const DOMWindow* accessingWindow,
                                        const DOMWindow* targetWindow);
+
+  // Returns true if the creation context can be entered from the current
+  // context. If the creation context cannot be entered, a security error is
+  // thrown and this method returns false.
+  static bool canEnterCreationContext(v8::Isolate*,
+                                      v8::Local<v8::Context> currentContext,
+                                      v8::Local<v8::Context> creationContext,
+                                      ExceptionState&);
 };
 
 }  // namespace blink