DevTools: disable interrupts when dispatching inspector commands

Source/web/WebDevToolsAgentImpl.cpp

 /*
  * Copyright (C) 2010-2011 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:
  *
  *     * 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
@@ skipping 623 matching lines @@
     if (!m_attached)
         return;
     if (WebDevToolsAgent::shouldInterruptForMessage(message))
         MainThreadDebugger::instance()->taskRunner()->runPendingTasks();
     else
         dispatchMessageFromFrontend(message);
 }
 
 void WebDevToolsAgentImpl::dispatchMessageFromFrontend(const String& message)
 {
+    InspectorTaskRunner::IgnoreInterruptsScope scope(MainThreadDebugger::instance()->taskRunner());
     if (m_inspectorBackendDispatcher)
         m_inspectorBackendDispatcher->dispatch(message);
 }
 
 void WebDevToolsAgentImpl::inspectElementAt(const WebPoint& pointInRootFrame)
 {
     HitTestRequest::HitTestRequestType hitType = HitTestRequest::Move | HitTestRequest::ReadOnly | HitTestRequest::AllowChildFrameContent;
     HitTestRequest request(hitType);
     WebMouseEvent dummyEvent;
     dummyEvent.type = WebInputEvent::MouseDown;
@@ skipping 86 matching lines @@
     if (!InspectorBackendDispatcher::getCommandName(message, &commandName))
         return false;
     return commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_pauseCmd)
         || commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_setBreakpointCmd)
         || commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_setBreakpointByUrlCmd)
         || commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_removeBreakpointCmd)
         || commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_setBreakpointsActiveCmd);
 }
 
 } // namespace blink