Revert of [DevTools] Filter any messages from previous sessions in DevToolsAgentHostImpl

content/renderer/service_worker/embedded_worker_devtools_agent.cc

Index: content/renderer/service_worker/embedded_worker_devtools_agent.cc
diff --git a/content/renderer/service_worker/embedded_worker_devtools_agent.cc b/content/renderer/service_worker/embedded_worker_devtools_agent.cc
index a09972937e2322b00d63e1cd3f2536f350ab66c8..e1c640a8344ff0be9373aac67228d1a39a74bb5c 100644
--- a/content/renderer/service_worker/embedded_worker_devtools_agent.cc
+++ b/content/renderer/service_worker/embedded_worker_devtools_agent.cc
@@ -40,15 +40,13 @@
   return handled;
 }
 
-void EmbeddedWorkerDevToolsAgent::OnAttach(const std::string& host_id,
-                                           int session_id) {
-  webworker_->attachDevTools(WebString::fromUTF8(host_id), session_id);
+void EmbeddedWorkerDevToolsAgent::OnAttach(const std::string& host_id) {
+  webworker_->attachDevTools(WebString::fromUTF8(host_id));
 }
 
 void EmbeddedWorkerDevToolsAgent::OnReattach(const std::string& host_id,
-                                             int session_id,
                                              const std::string& state) {
-  webworker_->reattachDevTools(WebString::fromUTF8(host_id), session_id,
+  webworker_->reattachDevTools(WebString::fromUTF8(host_id),
                                WebString::fromUTF8(state));
 }
 
@@ -57,9 +55,8 @@
 }
 
 void EmbeddedWorkerDevToolsAgent::OnDispatchOnInspectorBackend(
-    int session_id,
     const std::string& message) {
-  webworker_->dispatchDevToolsMessage(session_id, WebString::fromUTF8(message));
+  webworker_->dispatchDevToolsMessage(WebString::fromUTF8(message));
 }
 
 }  // namespace content