Add a new field "source" in launchData of chrome.app.runtime.onLaunched() to trace launch source.

apps/app_load_service.cc

 // Copyright 2013 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 "apps/app_load_service.h"
 
 #include "apps/app_load_service_factory.h"
 #include "apps/app_restore_service.h"
 #include "apps/launcher.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 10 matching lines @@
 #include "extensions/browser/notification_types.h"
 #include "extensions/common/extension.h"
 
 using extensions::Extension;
 using extensions::ExtensionPrefs;
 using extensions::ExtensionSystem;
 
 namespace apps {
 
 AppLoadService::PostReloadAction::PostReloadAction()
-    : action_type(LAUNCH),
-      command_line(CommandLine::NO_PROGRAM) {
+    : action_type(RELOAD), command_line(CommandLine::NO_PROGRAM) {
 }
 
 AppLoadService::AppLoadService(Profile* profile)
     : profile_(profile) {
   registrar_.Add(this,
                  extensions::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING,
                  content::NotificationService::AllSources());
   extensions::ExtensionRegistry::Get(profile_)->AddObserver(this);
 }
 
@@ skipping 21 matching lines @@
   ExtensionService* extension_service =
       ExtensionSystem::Get(profile_)->extension_service();
   std::string extension_id;
   if (!extensions::UnpackedInstaller::Create(extension_service)->
           LoadFromCommandLine(base::FilePath(extension_path), &extension_id)) {
     return false;
   }
 
   // Schedule the app to be launched once loaded.
   PostReloadAction& action = post_reload_actions_[extension_id];
-  action.action_type = LAUNCH_WITH_COMMAND_LINE;
+  action.action_type = LOAD_AND_LAUNCH;
   action.command_line = command_line;
   action.current_dir = current_dir;
   return true;
 }
 
 // static
 AppLoadService* AppLoadService::Get(Profile* profile) {
   return apps::AppLoadServiceFactory::GetForProfile(profile);
 }
 
 void AppLoadService::Observe(int type,
                              const content::NotificationSource& source,
                              const content::NotificationDetails& details) {
   DCHECK_EQ(type, extensions::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING);
   extensions::ExtensionHost* host =
       content::Details<extensions::ExtensionHost>(details).ptr();
   const Extension* extension = host->extension();
   // It is possible for an extension to be unloaded before it stops loading.
   if (!extension)
     return;
   std::map<std::string, PostReloadAction>::iterator it =
       post_reload_actions_.find(extension->id());
   if (it == post_reload_actions_.end())
     return;
 
   switch (it->second.action_type) {
-    case LAUNCH:
-      LaunchPlatformApp(profile_, extension);
+    case RELOAD:
+      LaunchPlatformApp(profile_, extension, extensions::SOURCE_RELOAD);
       break;
     case RESTART:
       RestartPlatformApp(profile_, extension);
       break;
-    case LAUNCH_WITH_COMMAND_LINE:
-      LaunchPlatformAppWithCommandLine(
-          profile_, extension, it->second.command_line, it->second.current_dir);
+    case LOAD_AND_LAUNCH:
+      LaunchPlatformAppWithCommandLine(profile_,
+                                       extension,
+                                       it->second.command_line,
+                                       it->second.current_dir,
+                                       extensions::SOURCE_LOAD_AND_LAUNCH);
       break;
     default:
       NOTREACHED();
   }
 
   post_reload_actions_.erase(it);
 }
 
 void AppLoadService::OnExtensionUnloaded(
     content::BrowserContext* browser_context,
     const Extension* extension,
     extensions::UnloadedExtensionInfo::Reason reason) {
   if (!extension->is_platform_app())
     return;
 
   extensions::ExtensionPrefs* extension_prefs =
       extensions::ExtensionPrefs::Get(browser_context);
   if (WasUnloadedForReload(extension->id(), reason) &&
       extension_prefs->IsActive(extension->id()) &&
       !HasPostReloadAction(extension->id())) {
-    post_reload_actions_[extension->id()].action_type = LAUNCH;
+    post_reload_actions_[extension->id()].action_type = RELOAD;
   }
 }
 
 bool AppLoadService::WasUnloadedForReload(
     const extensions::ExtensionId& extension_id,
     const extensions::UnloadedExtensionInfo::Reason reason) {
   if (reason == extensions::UnloadedExtensionInfo::REASON_DISABLE) {
     ExtensionPrefs* prefs = ExtensionPrefs::Get(profile_);
     return (prefs->GetDisableReasons(extension_id) &
             Extension::DISABLE_RELOAD) != 0;
   }
   return false;
 }
 
 bool AppLoadService::HasPostReloadAction(const std::string& extension_id) {
   return post_reload_actions_.find(extension_id) != post_reload_actions_.end();
 }
 
 }  // namespace apps