[DevTools] Move IO and Tracing to new generator.

content/browser/devtools/render_frame_devtools_agent_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/render_frame_devtools_agent_host.h"
 
 #include <tuple>
 #include <utility>
 
 #include "base/guid.h"
+#include "base/json/json_reader.h"
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "content/browser/bad_message.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/devtools/devtools_frame_trace_recorder.h"
 #include "content/browser/devtools/devtools_manager.h"
 #include "content/browser/devtools/devtools_protocol_handler.h"
 #include "content/browser/devtools/devtools_session.h"
 #include "content/browser/devtools/page_navigation_throttle.h"
 #include "content/browser/devtools/protocol/dom_handler.h"
 #include "content/browser/devtools/protocol/emulation_handler.h"
 #include "content/browser/devtools/protocol/input_handler.h"
 #include "content/browser/devtools/protocol/inspector_handler.h"
 #include "content/browser/devtools/protocol/io_handler.h"
 #include "content/browser/devtools/protocol/network_handler.h"
 #include "content/browser/devtools/protocol/page_handler.h"
+#include "content/browser/devtools/protocol/protocol.h"
 #include "content/browser/devtools/protocol/schema_handler.h"
 #include "content/browser/devtools/protocol/security_handler.h"
 #include "content/browser/devtools/protocol/service_worker_handler.h"
 #include "content/browser/devtools/protocol/storage_handler.h"
 #include "content/browser/devtools/protocol/target_handler.h"
 #include "content/browser/devtools/protocol/tracing_handler.h"
 #include "content/browser/frame_host/navigation_handle_impl.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/renderer_host/input/input_router_impl.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
@@ skipping 351 matching lines @@
     DevToolsAgentHost::GetOrCreateFor(web_contents);
   }
 }
 
 RenderFrameDevToolsAgentHost::RenderFrameDevToolsAgentHost(
     RenderFrameHostImpl* host)
     : DevToolsAgentHostImpl(base::GenerateGUID()),
       dom_handler_(new devtools::dom::DOMHandler()),
       input_handler_(new devtools::input::InputHandler()),
       inspector_handler_(new devtools::inspector::InspectorHandler()),
-      io_handler_(new devtools::io::IOHandler(GetIOContext())),
       network_handler_(new devtools::network::NetworkHandler()),
       page_handler_(nullptr),
       schema_handler_(new devtools::schema::SchemaHandler()),
       security_handler_(nullptr),
       service_worker_handler_(
           new devtools::service_worker::ServiceWorkerHandler()),
       storage_handler_(new devtools::storage::StorageHandler()),
       target_handler_(new devtools::target::TargetHandler()),
-      tracing_handler_(new devtools::tracing::TracingHandler(
-          devtools::tracing::TracingHandler::Renderer,
-          host->GetFrameTreeNodeId(),
-          GetIOContext())),
       emulation_handler_(nullptr),
       frame_trace_recorder_(nullptr),
       protocol_handler_(new DevToolsProtocolHandler(this)),
       handlers_frame_host_(nullptr),
       current_frame_crashed_(false),
       pending_handle_(nullptr),
       frame_tree_node_(host->frame_tree_node()) {
   DevToolsProtocolDispatcher* dispatcher = protocol_handler_->dispatcher();
   dispatcher->SetDOMHandler(dom_handler_.get());
   dispatcher->SetInputHandler(input_handler_.get());
   dispatcher->SetInspectorHandler(inspector_handler_.get());
-  dispatcher->SetIOHandler(io_handler_.get());
   dispatcher->SetNetworkHandler(network_handler_.get());
   dispatcher->SetSchemaHandler(schema_handler_.get());
   dispatcher->SetServiceWorkerHandler(service_worker_handler_.get());
   dispatcher->SetStorageHandler(storage_handler_.get());
   dispatcher->SetTargetHandler(target_handler_.get());
-  dispatcher->SetTracingHandler(tracing_handler_.get());
 
   if (!host->GetParent()) {
     security_handler_.reset(new devtools::security::SecurityHandler());
     page_handler_.reset(new devtools::page::PageHandler());
     emulation_handler_.reset(
         new devtools::emulation::EmulationHandler());
     dispatcher->SetSecurityHandler(security_handler_.get());
     dispatcher->SetPageHandler(page_handler_.get());
     dispatcher->SetEmulationHandler(emulation_handler_.get());
   }
@@ skipping 53 matching lines @@
 BrowserContext* RenderFrameDevToolsAgentHost::GetBrowserContext() {
   WebContents* contents = web_contents();
   return contents ? contents->GetBrowserContext() : nullptr;
 }
 
 WebContents* RenderFrameDevToolsAgentHost::GetWebContents() {
   return web_contents();
 }
 
 void RenderFrameDevToolsAgentHost::Attach() {
+  session()->dispatcher()->setFallThroughForNotFound(true);
+
+  io_handler_.reset(new protocol::IOHandler(GetIOContext()));
+  io_handler_->Wire(session()->dispatcher());
+
+  tracing_handler_.reset(new protocol::TracingHandler(
+      protocol::TracingHandler::Renderer,
+      frame_tree_node_->frame_tree_node_id(),
+      GetIOContext()));
+  tracing_handler_->Wire(session()->dispatcher());
+
   if (current_)
     current_->Attach();
   if (pending_)
     pending_->Attach();
   OnClientAttached();
 }
 
 void RenderFrameDevToolsAgentHost::Detach() {
+  io_handler_->Disable();
+  io_handler_.reset();
+  tracing_handler_->Disable();
+  tracing_handler_.reset();
+
   if (current_)
     current_->Detach();
   if (pending_)
     pending_->Detach();
   OnClientDetached();
 }
 
 bool RenderFrameDevToolsAgentHost::DispatchProtocolMessage(
     const std::string& message) {
+  std::unique_ptr<base::Value> value = base::JSONReader::Read(message);
+  std::unique_ptr<protocol::Value> protocolValue =
+      protocol::toProtocolValue(value.get(), 1000);
+  if (session()->dispatcher()->dispatch(std::move(protocolValue)) !=
+      protocol::Response::kFallThrough) {
+    return true;
+  }
+
   int call_id = 0;
   std::string method;
-  if (protocol_handler_->HandleOptionalMessage(session()->session_id(), message,
-                                               &call_id, &method))
+  if (protocol_handler_->HandleOptionalMessage(
+          session()->session_id(), std::move(value), &call_id, &method)) {
     return true;
+  }
 
   if (!navigating_handles_.empty()) {
     DCHECK(IsBrowserSideNavigationEnabled());
     in_navigation_protocol_message_buffer_[call_id] =
         { session()->session_id(), method, message };
     return true;
   }
 
   if (current_) {
     current_->DispatchProtocolMessage(
@@ skipping 24 matching lines @@
 void RenderFrameDevToolsAgentHost::OnClientDetached() {
 #if defined(OS_ANDROID)
   power_save_blocker_.reset();
 #endif
   if (emulation_handler_)
     emulation_handler_->Detached();
   if (page_handler_)
     page_handler_->Detached();
   service_worker_handler_->Detached();
   target_handler_->Detached();
-  tracing_handler_->Detached();
   frame_trace_recorder_.reset();
   in_navigation_protocol_message_buffer_.clear();
 }
 
 RenderFrameDevToolsAgentHost::~RenderFrameDevToolsAgentHost() {
   Instances::iterator it = std::find(g_instances.Get().begin(),
                                      g_instances.Get().end(),
                                      this);
   if (it != g_instances.Get().end())
     g_instances.Get().erase(it);
@@ skipping 541 matching lines @@
     RenderFrameHost* host) {
   return (current_ && current_->host() == host) ||
       (pending_ && pending_->host() == host);
 }
 
 bool RenderFrameDevToolsAgentHost::IsChildFrame() {
   return current_ && current_->host()->GetParent();
 }
 
 }  // namespace content