Roll IDLs.

inspector/InjectedScriptHost.idl

Index: inspector/InjectedScriptHost.idl
===================================================================
--- inspector/InjectedScriptHost.idl	(revision 20375)
+++ inspector/InjectedScriptHost.idl	(working copy)
@@ -46,9 +46,18 @@
     [Custom] Array getInternalProperties(in any object);
     [Custom] Array getEventListeners(in Node node);
 
+    // FIXME: Remove evaluateReturnsEvalFunction once InjectedScriptHost returns eval in evaluate on V8. https://webkit.org/b/113134
+    readonly attribute boolean evaluateReturnsEvalFunction;
+
+#if defined(V8_BINDING) && V8_BINDING
+    [Custom] any evaluate(in DOMString text);
+#else
+    [Custom] readonly attribute any evaluate;
+#endif
+
     [Custom] DOMString databaseId(in any database);
     [Custom] DOMString storageId(in any storage);
-    [Custom] any evaluate(in DOMString text);
+
     // Only declarative scope (local, with and catch) is accepted. Returns undefined. 
     [Custom] any setFunctionVariableValue(in any functionObject, in int scopeIndex, in DOMString variableName, any newValue);
 };