[DevTools] Filter any messages from previous sessions in DevToolsAgentHostImpl

content/browser/devtools/protocol/tracing_handler.cc

Index: content/browser/devtools/protocol/tracing_handler.cc
diff --git a/content/browser/devtools/protocol/tracing_handler.cc b/content/browser/devtools/protocol/tracing_handler.cc
index 3518ed5e9962112041960417cc7a86f3d03cf37d..601947fd43f551c15973ded63a9fde5e792ffc2e 100644
--- a/content/browser/devtools/protocol/tracing_handler.cc
+++ b/content/browser/devtools/protocol/tracing_handler.cc
@@ -113,7 +113,7 @@ void TracingHandler::OnTraceDataCollected(const std::string& trace_fragment) {
   message.reserve(message.size() + trace_fragment.size() + messageSuffixSize);
   message += trace_fragment;
   message += "] } }";
-  client_->SendRawMessage(message);
+  client_->SendRawMessage(0, message);
 }
 
 void TracingHandler::OnTraceComplete() {
@@ -152,10 +152,8 @@ Response TracingHandler::Start(DevToolsCommandId command_id,
   }
 
   TracingController::GetInstance()->EnableRecording(
-      trace_config,
-      base::Bind(&TracingHandler::OnRecordingEnabled,
-                 weak_factory_.GetWeakPtr(),
-                 command_id));
+      trace_config, base::Bind(&TracingHandler::OnRecordingEnabled,
+                               weak_factory_.GetWeakPtr(), command_id));
   return Response::OK();
 }
 
@@ -182,8 +180,7 @@ Response TracingHandler::End(DevToolsCommandId command_id) {
 Response TracingHandler::GetCategories(DevToolsCommandId command_id) {
   TracingController::GetInstance()->GetCategories(
       base::Bind(&TracingHandler::OnCategoriesReceived,
-                 weak_factory_.GetWeakPtr(),
-                 command_id));
+                 weak_factory_.GetWeakPtr(), command_id));
   return Response::OK();
 }
 
@@ -207,8 +204,8 @@ void TracingHandler::OnCategoriesReceived(
   std::vector<std::string> categories;
   for (const std::string& category : category_set)
     categories.push_back(category);
-  client_->SendGetCategoriesResponse(command_id,
-      GetCategoriesResponse::Create()->set_categories(categories));
+  client_->SendGetCategoriesResponse(
+      command_id, GetCategoriesResponse::Create()->set_categories(categories));
 }
 
 Response TracingHandler::RequestMemoryDump(DevToolsCommandId command_id) {