Remove debugger id, use local frame id instead.

Source/web/WebDevToolsAgentImpl.cpp

Index: Source/web/WebDevToolsAgentImpl.cpp
diff --git a/Source/web/WebDevToolsAgentImpl.cpp b/Source/web/WebDevToolsAgentImpl.cpp
index 8e2239929159f70e84706b2ff7d927c9f0926ee0..1b39982832cdd43969a99769e3aa7227301e09ab 100644
--- a/Source/web/WebDevToolsAgentImpl.cpp
+++ b/Source/web/WebDevToolsAgentImpl.cpp
@@ -458,7 +458,7 @@ void WebDevToolsAgentImpl::initializeDeferredAgents()
 
     m_agents.append(InspectorApplicationCacheAgent::create(m_pageAgent));
 
-    OwnPtrWillBeRawPtr<InspectorDebuggerAgent> debuggerAgentPtr(PageDebuggerAgent::create(MainThreadDebugger::instance(), m_pageAgent, injectedScriptManager, m_overlay, m_pageRuntimeAgent->debuggerId()));
+    OwnPtrWillBeRawPtr<InspectorDebuggerAgent> debuggerAgentPtr(PageDebuggerAgent::create(MainThreadDebugger::instance(), m_pageAgent, injectedScriptManager, m_overlay));
     InspectorDebuggerAgent* debuggerAgent = debuggerAgentPtr.get();
     m_agents.append(debuggerAgentPtr.release());
     m_asyncCallTracker = adoptPtrWillBeNoop(new AsyncCallTracker(debuggerAgent, m_instrumentingAgents.get()));