Drop V8RecursionScope dependency on ExecutionContext

Source/bindings/core/v8/V8ScriptRunner.cpp

Index: Source/bindings/core/v8/V8ScriptRunner.cpp
diff --git a/Source/bindings/core/v8/V8ScriptRunner.cpp b/Source/bindings/core/v8/V8ScriptRunner.cpp
index 32720d4325a05379e3f3e3594eee9f38d3d62152..6886baf58273f52e2caae14de399d631bbe06a60 100644
--- a/Source/bindings/core/v8/V8ScriptRunner.cpp
+++ b/Source/bindings/core/v8/V8ScriptRunner.cpp
@@ -169,7 +169,7 @@ v8::Local<v8::Value> V8ScriptRunner::runCompiledScript(v8::Handle<v8::Script> sc
     // Run the script and keep track of the current recursion depth.
     v8::Local<v8::Value> result;
     {
-        V8RecursionScope recursionScope(isolate, context);
+        V8RecursionScope recursionScope(isolate);
         result = script->Run();
     }
 
@@ -214,7 +214,7 @@ v8::Local<v8::Value> V8ScriptRunner::callFunction(v8::Handle<v8::Function> funct
 
     RELEASE_ASSERT(!context->isIteratingOverObservers());
 
-    V8RecursionScope recursionScope(isolate, context);
+    V8RecursionScope recursionScope(isolate);
     v8::Local<v8::Value> result = function->Call(receiver, argc, args);
     crashIfV8IsDead();
     return result;
@@ -267,7 +267,7 @@ v8::Local<v8::Object> V8ScriptRunner::instantiateObjectInDocument(v8::Isolate* i
 {
     TRACE_EVENT0("v8", "v8.newInstance");
     TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-    V8RecursionScope scope(isolate, context);
+    V8RecursionScope scope(isolate);
     v8::Local<v8::Object> result = function->NewInstance(argc, argv);
     crashIfV8IsDead();
     return result;