DevTools: merge devtools target with devtools host, part 1

chrome/browser/devtools/chrome_devtools_manager_delegate.cc

 // Copyright 2014 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 "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 
 #include "build/build_config.h"
 #include "chrome/browser/devtools/devtools_network_protocol_handler.h"
 #include "components/devtools_discovery/devtools_discovery_manager.h"
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/devtools/devtools_window.h"
+#include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
 #include "content/public/browser/devtools_agent_host.h"
+#include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/web_contents.h"
+#include "extensions/browser/extension_host.h"
+#include "extensions/browser/extension_registry.h"
+#include "extensions/browser/process_manager.h"
 #endif  // !defined(OS_ANDROID)
 
 using devtools_discovery::DevToolsDiscoveryManager;
 
 ChromeDevToolsManagerDelegate::ChromeDevToolsManagerDelegate()
     : network_protocol_handler_(new DevToolsNetworkProtocolHandler()) {
 }
 
 ChromeDevToolsManagerDelegate::~ChromeDevToolsManagerDelegate() {
 }
 
 void ChromeDevToolsManagerDelegate::Inspect(
-    content::BrowserContext* browser_context,
     content::DevToolsAgentHost* agent_host) {
 #if !defined(OS_ANDROID)
-  Profile* profile = Profile::FromBrowserContext(browser_context);
+  Profile* profile =
+      Profile::FromBrowserContext(agent_host->GetBrowserContext());
   if (!profile)
     return;
-  content::DevToolsAgentHost::Type type = agent_host->GetType();
-  if (type == content::DevToolsAgentHost::TYPE_SHARED_WORKER ||
-      type == content::DevToolsAgentHost::TYPE_SERVICE_WORKER) {
+  std::string type = agent_host->GetType();
+  if (type == content::DevToolsAgentHost::kTypeSharedWorker ||
+      type == content::DevToolsAgentHost::kTypeServiceWorker) {
     DevToolsWindow::OpenDevToolsWindowForWorker(profile, agent_host);
     return;
   }
-  if (type == content::DevToolsAgentHost::TYPE_WEB_CONTENTS) {
-    content::WebContents* web_contents = agent_host->GetWebContents();
-    DCHECK(web_contents);
+  content::WebContents* web_contents = agent_host->GetWebContents();
+  if (web_contents)
     DevToolsWindow::OpenDevToolsWindow(web_contents);
-  }
 #endif  // !defined(OS_ANDROID)
 }
 
 base::DictionaryValue* ChromeDevToolsManagerDelegate::HandleCommand(
     content::DevToolsAgentHost* agent_host,
     base::DictionaryValue* command_dict) {
   std::unique_ptr<base::DictionaryValue> result =
       DevToolsDiscoveryManager::GetInstance()->HandleCreateTargetCommand(
           command_dict);
   if (result)
     return result.release();  // Caller takes ownership.
   return network_protocol_handler_->HandleCommand(agent_host, command_dict);
 }
 
+std::string ChromeDevToolsManagerDelegate::GetTargetType(
+    content::RenderFrameHost* host) {
+#if !defined(OS_ANDROID)
+  content::WebContents* web_contents =
+      content::WebContents::FromRenderFrameHost(host);
+  for (TabContentsIterator it; !it.done(); it.Next()) {
+    if (*it == web_contents)
+      return content::DevToolsAgentHost::kTypePage;
+  }
+
+  if (host->GetParent())
+    return content::DevToolsAgentHost::kTypeFrame;
+
+  const extensions::Extension* extension = extensions::ExtensionRegistry::Get(
+      web_contents->GetBrowserContext())->enabled_extensions().GetByID(
+          host->GetLastCommittedURL().host());
+  if (!extension)
+    return content::DevToolsAgentHost::kTypeOther;
+
+  Profile* profile =
+      Profile::FromBrowserContext(web_contents->GetBrowserContext());
+  if (!profile)
+    return content::DevToolsAgentHost::kTypeOther;
+
+  extensions::ExtensionHost* extension_host =
+      extensions::ProcessManager::Get(profile)
+          ->GetBackgroundHostForExtension(extension->id());
+  if (extension_host &&
+      extension_host->host_contents() == web_contents) {
+    return "background_page";

[dgozman, 2016/08/22 23:09:07]

Let's expose these in the header.

+  } else if (extension->is_hosted_app()
+             || extension->is_legacy_packaged_app()
+             || extension->is_platform_app()) {
+    return "app";
+  }
+#endif  // !defined(OS_ANDROID)
+  return content::DevToolsAgentHost::kTypeOther;

[dgozman, 2016/08/22 23:09:07]

Always other for android.

+}
+
 void ChromeDevToolsManagerDelegate::DevToolsAgentStateChanged(
     content::DevToolsAgentHost* agent_host,
     bool attached) {
   network_protocol_handler_->DevToolsAgentStateChanged(agent_host, attached);
 }