[DevTools] Cleanup v8_inspector console API.

third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp

Index: third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp b/third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp
index 77c7faf609f053153157ab5863ff1c742372c2ca..f94adb1b7f11ee418c48eaddf77386326d31487b 100644
--- a/third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp
+++ b/third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp
@@ -312,7 +312,6 @@ WebDevToolsAgentImpl::WebDevToolsAgentImpl(
     , m_networkAgent(nullptr)
     , m_layerTreeAgent(nullptr)
     , m_tracingAgent(nullptr)
-    , m_logAgent(nullptr)
     , m_includeViewAgents(includeViewAgents)
     , m_layerTreeId(0)
 {
@@ -350,7 +349,6 @@ DEFINE_TRACE(WebDevToolsAgentImpl)
     visitor->trace(m_networkAgent);
     visitor->trace(m_layerTreeAgent);
     visitor->trace(m_tracingAgent);
-    visitor->trace(m_logAgent);
     visitor->trace(m_session);
 }
 
@@ -410,8 +408,7 @@ void WebDevToolsAgentImpl::initializeSession(int sessionId, const String& hostId
     m_pageAgent = pageAgent;
     m_session->append(pageAgent);
 
-    m_logAgent = new InspectorLogAgent(&m_inspectedFrames->root()->host()->consoleMessageStorage());
-    m_session->append(m_logAgent.get());
+    m_session->append(new InspectorLogAgent(&m_inspectedFrames->root()->host()->consoleMessageStorage()));
 
     m_tracingAgent->setLayerTreeId(m_layerTreeId);
     m_networkAgent->setHostId(hostId);
@@ -447,7 +444,6 @@ void WebDevToolsAgentImpl::destroySession()
     m_networkAgent.clear();
     m_pageAgent.clear();
     m_domAgent.clear();
-    m_logAgent.clear();
 
     m_session->dispose();
     m_session.clear();
@@ -610,14 +606,6 @@ void WebDevToolsAgentImpl::profilingStopped()
         m_overlay->resume();
 }
 
-void WebDevToolsAgentImpl::consoleCleared()
-{
-    if (m_domAgent)
-        m_domAgent->releaseDanglingNodes();
-    if (m_logAgent)
-        m_logAgent->clear(nullptr);
-}
-
 void WebDevToolsAgentImpl::pageLayoutInvalidated(bool resized)
 {
     if (m_overlay)