DevTools: CPUProfiler: provide url for scripts that have sourceURL property.

src/cpu-profiler.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 419 matching lines @@
   delete profiles_;
 }
 
 
 void CpuProfiler::ResetProfiles() {
   delete profiles_;
   profiles_ = new CpuProfilesCollection();
 }
 
 void CpuProfiler::StartProfiling(const char* title, bool record_samples) {
+  i::HandleScope scope(isolate_);
+  v8::Local<v8::Context> context = v8::Context::New(
+      reinterpret_cast<v8::Isolate*>(isolate_));
+  v8::Context::Scope contextScope(context);
   if (profiles_->StartProfiling(title, next_profile_uid_++, record_samples)) {
     StartProcessorIfNotStarted();
   }
   processor_->AddCurrentStack();
 }
 
 
 void CpuProfiler::StartProfiling(String* title, bool record_samples) {
   StartProfiling(profiles_->GetName(title), record_samples);
 }
@@ skipping 70 matching lines @@
   processor_->Join();
   delete processor_;
   delete generator_;
   processor_ = NULL;
   generator_ = NULL;
   logger->logging_nesting_ = saved_logging_nesting_;
 }
 
 
 } }  // namespace v8::internal