DevTools: disallow to start stop tracing using console.timeline/timelineEnd

content/browser/devtools/render_view_devtools_agent_host.cc

Index: content/browser/devtools/render_view_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_view_devtools_agent_host.cc b/content/browser/devtools/render_view_devtools_agent_host.cc
index c2b9302018585da5a00f059b1977b1bdf8966e36..7045b37ab2eb82f93d1f631be7c0de8e5192f15f 100644
--- a/content/browser/devtools/render_view_devtools_agent_host.cc
+++ b/content/browser/devtools/render_view_devtools_agent_host.cc
@@ -441,8 +441,6 @@ bool RenderViewDevToolsAgentHost::DispatchIPCMessage(
                         OnDispatchOnInspectorFrontend)
     IPC_MESSAGE_HANDLER(DevToolsHostMsg_SaveAgentRuntimeState,
                         OnSaveAgentRuntimeState)
-    IPC_MESSAGE_HANDLER(DevToolsHostMsg_EnableTracing, OnEnableTracing)
-    IPC_MESSAGE_HANDLER(DevToolsHostMsg_DisableTracing, OnDisableTracing)
     IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SwapCompositorFrame,
                                 handled = false; OnSwapCompositorFrame(msg))
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ -479,13 +477,4 @@ void RenderViewDevToolsAgentHost::OnDispatchOnInspectorFrontend(
   SendMessageToClient(message);
 }
 
-void RenderViewDevToolsAgentHost::OnEnableTracing(
-    const std::string& category_filter) {
-  tracing_handler_->EnableTracing(category_filter);
-}
-
-void RenderViewDevToolsAgentHost::OnDisableTracing() {
-  tracing_handler_->DisableTracing();
-}
-
 }  // namespace content