DevTools: handle 'scripts' response only when context id is known

webkit/glue/devtools/debugger_agent_manager.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "Frame.h"
 #include "PageGroupLoadDeferrer.h"
 #include "V8Proxy.h"
 #include <wtf/HashSet.h>
@@ skipping 193 matching lines @@
   }
 
   v8::Handle<v8::Context> context = message.GetEventContext();
   // If the context is from one of the inpected tabs it should have its context
   // data.
   if (context.IsEmpty()) {
     // Unknown context, skip the event.
     return;
   }
 
-  if (in_utility_context_) {
-    if (message.GetEvent() == v8::Break) {
-      // This may happen when two tabs are being debugged in the same process.
-      // Suppose that first debugger is pauesed on an exception. It will run
-      // nested MessageLoop which may process Break request from the second
-      // debugger.
-      debug_break_delayed_ = true;
-    }
+  if (in_utility_context_ && message.GetEvent() == v8::Break) {
+    // This may happen when two tabs are being debugged in the same process.
+    // Suppose that first debugger is pauesed on an exception. It will run
+    // nested MessageLoop which may process Break request from the second
+    // debugger.
+    debug_break_delayed_ = true;
   } else {
     // If the context is from one of the inpected tabs or injected extension
     // scripts it must have host_id in the data field.
     int host_id = WebCore::V8Proxy::contextDebugId(context);
     if (host_id != -1) {
       DebuggerAgentImpl* agent = DebuggerAgentForHostId(host_id);
       if (agent) {
         agent->DebuggerOutput(out);
         return;
       }
@@ skipping 81 matching lines @@
   return NULL;
 }
 
 // static
 DebuggerAgentImpl* DebuggerAgentManager::DebuggerAgentForHostId(int host_id) {
   if (!attached_agents_map_) {
     return NULL;
   }
   return attached_agents_map_->get(host_id);
 }