[DevTools] Create agents on attach.

third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp

Index: third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp b/third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp
index b80282cb96d8f1f1615323f7f72ec872651309c2..8e7f88977a36f1fab9971d381e4b36fc261dbf10 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp
@@ -123,8 +123,8 @@ void InspectorAgentRegistry::registerInDispatcher(protocol::Dispatcher* dispatch
 
 void InspectorAgentRegistry::discardAgents()
 {
-    for (size_t i = 0; i < m_agents.size(); i++)
-        m_agents[i]->discardAgent();
+    for (size_t i = m_agents.size(); i > 0; i--)
+        m_agents[i - 1]->discardAgent();
 }
 
 void InspectorAgentRegistry::flushPendingProtocolNotifications()