DevTools: make pause work for script evaluations

webkit/glue/devtools/debugger_agent_manager.h

 // 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.
 
 #ifndef WEBKIT_GLUE_DEVTOOLS_DEBUGGER_AGENT_MANAGER_H_
 #define WEBKIT_GLUE_DEVTOOLS_DEBUGGER_AGENT_MANAGER_H_
 
 #include <wtf/HashMap.h>
 
 #include "base/basictypes.h"
@@ skipping 34 matching lines @@
       WebDevToolsAgent::MessageLoopDispatchHandler handler);
 
   // Sets |host_id| as the frame context data. This id is used to filter scripts
   // related to the inspected page.
   static void SetHostId(WebFrameImpl* webframe, int host_id);
 
   static void OnWebViewClosed(WebViewImpl* webview);
 
   static void OnNavigate();
 
+  class UtilityContextScope {
+   public:
+    UtilityContextScope() {
+      DCHECK(!in_utility_context_);
+      in_utility_context_ = true;
+    }
+    ~UtilityContextScope() {
+      if (debug_break_delayed_) {
+        v8::Debug::DebugBreak();
+        debug_break_delayed_ = false;
+      }
+      in_utility_context_ = false;
+    }
+   private:
+    DISALLOW_COPY_AND_ASSIGN(UtilityContextScope);
+  };
+
  private:
   DebuggerAgentManager();
   ~DebuggerAgentManager();
 
   static void V8DebugHostDispatchHandler();
   static void OnV8DebugMessage(const v8::Debug::Message& message);
   static void SendCommandToV8(const string16& cmd,
                               v8::Debug::ClientData* data);
   static void SendContinueCommandToV8();
 
   static DebuggerAgentImpl* FindAgentForCurrentV8Context();
   static DebuggerAgentImpl* DebuggerAgentForHostId(int host_id);
 
   typedef HashMap<int, DebuggerAgentImpl*> AttachedAgentsMap;
   static AttachedAgentsMap* attached_agents_map_;
 
   static WebDevToolsAgent::MessageLoopDispatchHandler
       message_loop_dispatch_handler_;
   static bool in_host_dispatch_handler_;
   typedef HashMap<WebViewImpl*, WebCore::PageGroupLoadDeferrer*>
       DeferrersMap;
   static DeferrersMap page_deferrers_;
 
+  static bool in_utility_context_;
+  static bool debug_break_delayed_;
+
   DISALLOW_COPY_AND_ASSIGN(DebuggerAgentManager);
 };
 
 #endif  // WEBKIT_GLUE_DEVTOOLS_DEBUGGER_AGENT_MANAGER_H_