Blink-in-JS: Make error messages thrown in private scripts more verbose

Source/bindings/core/v8/V8ScriptRunner.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 165 matching lines @@
 
     if (result.IsEmpty())
         return v8::Local<v8::Value>();
 
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Value> V8ScriptRunner::compileAndRunInternalScript(v8::Handle<v8::String> source, v8::Isolate* isolate, const String& fileName, const TextPosition& scriptStartPosition)
 {
-    TRACE_EVENT0("v8", "v8.run");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
     v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(source, fileName, scriptStartPosition, 0, isolate);
     if (script.IsEmpty())
         return v8::Local<v8::Value>();
 
+    TRACE_EVENT0("v8", "v8.run");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
     V8RecursionScope::MicrotaskSuppression recursionScope(isolate);
     v8::Local<v8::Value> result = script->Run();
     crashIfV8IsDead();
+    return result;
+}
+
+v8::Local<v8::Value> V8ScriptRunner::runCompiledInternalScript(v8::Handle<v8::Script> script, v8::Isolate* isolate)
+{
+    TRACE_EVENT0("v8", "v8.run");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
+    V8RecursionScope::MicrotaskSuppression recursionScope(isolate);
+    v8::Local<v8::Value> result = script->Run();
+    crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Value> V8ScriptRunner::callFunction(v8::Handle<v8::Function> function, ExecutionContext* context, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> args[], v8::Isolate* isolate)
 {
     TRACE_EVENT0("v8", "v8.callFunction");
     TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
 
     if (V8RecursionScope::recursionLevel(isolate) >= kMaxRecursionDepth)
         return throwStackOverflowExceptionIfNeeded(isolate);
@@ skipping 53 matching lines @@
 {
     TRACE_EVENT0("v8", "v8.newInstance");
     TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
     V8RecursionScope scope(isolate, context);
     v8::Local<v8::Object> result = function->NewInstance(argc, argv);
     crashIfV8IsDead();
     return result;
 }
 
 } // namespace blink