Revert of html_viewer: Add DevToolsAgentImpl.

components/html_viewer/devtools_agent_impl.cc

Index: components/html_viewer/devtools_agent_impl.cc
diff --git a/components/html_viewer/devtools_agent_impl.cc b/components/html_viewer/devtools_agent_impl.cc
deleted file mode 100644
index d7534288911a38a602c683fc2677cf95bb368104..0000000000000000000000000000000000000000
--- a/components/html_viewer/devtools_agent_impl.cc
+++ /dev/null
@@ -1,107 +0,0 @@
-// Copyright 2015 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 "components/html_viewer/devtools_agent_impl.h"
-
-#include <string>
-
-#include "base/json/json_reader.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/values.h"
-#include "mojo/application/public/cpp/connect.h"
-#include "mojo/application/public/interfaces/shell.mojom.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-#include "third_party/WebKit/public/platform/WebURLRequest.h"
-#include "third_party/WebKit/public/web/WebDevToolsAgent.h"
-#include "third_party/WebKit/public/web/WebLocalFrame.h"
-
-namespace html_viewer {
-
-DevToolsAgentImpl::DevToolsAgentImpl(blink::WebLocalFrame* frame,
-                                     mojo::Shell* shell)
-    : frame_(frame), binding_(this) {
-  DCHECK(frame);
-  DCHECK(shell);
-
-  mojo::ServiceProviderPtr devtools_service_provider;
-  mojo::URLRequestPtr request(mojo::URLRequest::New());
-  request->url = "mojo:devtools_service";
-  shell->ConnectToApplication(
-      request.Pass(), mojo::GetProxy(&devtools_service_provider), nullptr);
-  devtools_service::DevToolsRegistryPtr devtools_registry;
-  mojo::ConnectToService(devtools_service_provider.get(), &devtools_registry);
-
-  devtools_service::DevToolsAgentPtr agent;
-  binding_.Bind(&agent);
-  devtools_registry->RegisterAgent(agent.Pass());
-
-  frame_->setDevToolsAgentClient(this);
-}
-
-DevToolsAgentImpl::~DevToolsAgentImpl() {
-  if (client_)
-    frame_->devToolsAgent()->detach();
-}
-
-void DevToolsAgentImpl::SetClient(
-    devtools_service::DevToolsAgentClientPtr client,
-    const mojo::String& client_id) {
-  if (client_)
-    frame_->devToolsAgent()->detach();
-
-  client_ = client.Pass();
-  client_.set_error_handler(this);
-
-  frame_->devToolsAgent()->attach(blink::WebString::fromUTF8(client_id));
-}
-
-void DevToolsAgentImpl::DispatchProtocolMessage(const mojo::String& message) {
-  // TODO(yzshen): (1) Eventually the handling code for Page.navigate (and some
-  // other commands) should live with the code managing tabs and navigation.
-  // We will need a DevToolsAgent implementation there as well, which handles
-  // some of the commands and relays messages between the DevTools service and
-  // the HTML viewer.
-  // (2) Consider refactoring and reusing the existing DevTools protocol parsing
-  // code.
-  do {
-    scoped_ptr<base::Value> value = base::JSONReader::Read(message.get());
-    base::DictionaryValue* command = nullptr;
-    if (!value || !value->GetAsDictionary(&command))
-      break;
-
-    std::string method;
-    if (!command->GetString("method", &method) || method != "Page.navigate")
-      break;
-
-    std::string url_string;
-    if (!command->GetString("params.url", &url_string))
-      break;
-
-    GURL url(url_string);
-    if (!url.is_valid())
-      break;
-
-    frame_->loadRequest(blink::WebURLRequest(url));
-
-    // The command should fall through to be handled by frame_->devToolsAgent().
-  } while (false);
-
-  frame_->devToolsAgent()->dispatchOnInspectorBackend(
-      blink::WebString::fromUTF8(message));
-}
-
-void DevToolsAgentImpl::sendProtocolMessage(int call_id,
-                                            const blink::WebString& response,
-                                            const blink::WebString& state) {
-  if (client_)
-    client_->DispatchProtocolMessage(response.utf8());
-}
-
-void DevToolsAgentImpl::OnConnectionError() {
-  client_.reset();
-  frame_->devToolsAgent()->detach();
-}
-
-}  // namespace html_viewer