Save extension activity log to a file.

chrome/browser/ui/webui/extensions/extension_activity_ui.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 "chrome/browser/ui/webui/extensions/extension_activity_ui.h"
 
 #include "base/bind.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
@@ skipping 23 matching lines @@
   source->AddLocalizedString("extensionActivityApiBlock",
                              IDS_EXTENSION_ACTIVITY_API_BLOCK);
   source->AddLocalizedString("extensionActivityContentScript",
                              IDS_EXTENSION_ACTIVITY_CONTENT_SCRIPT);
   source->set_use_json_js_format_v2();
   source->set_json_path("strings.js");
 
   // Resources.
   source->add_resource_path("extension_activity.js", IDR_EXTENSION_ACTIVITY_JS);
   source->set_default_resource(IDR_EXTENSION_ACTIVITY_HTML);
-
-  Profile* profile = Profile::FromWebUI(web_ui);
-  ChromeURLDataManager::AddDataSourceImpl(profile, source);
-  ChromeURLDataManager::AddDataSource(profile, new SharedResourcesDataSource());
+  profile_ = Profile::FromWebUI(web_ui);
+  ChromeURLDataManager::AddDataSourceImpl(profile_, source);
+  ChromeURLDataManager::AddDataSource(
+      profile_, new SharedResourcesDataSource());
 
   // Callback handlers.
   web_ui->RegisterMessageCallback("requestExtensionData",
       base::Bind(&ExtensionActivityUI::HandleRequestExtensionData,
                  base::Unretained(this)));
 }
 
 ExtensionActivityUI::~ExtensionActivityUI() {
   if (extension_)
-    extensions::ActivityLog::GetInstance()->RemoveObserver(extension_, this);
+    extensions::ActivityLog::GetInstance(profile_)->RemoveObserver(
+        extension_, this);
 }
 
 void ExtensionActivityUI::HandleRequestExtensionData(
     const base::ListValue* args) {
   DCHECK_EQ(1U, args->GetSize());
 
   std::string extension_id;
   if (!args->GetString(0, &extension_id))
     return;
 
-  ExtensionService* extension_service = Profile::FromWebUI(web_ui())->
-      GetExtensionService();
+  ExtensionService* extension_service = profile_->GetExtensionService();
   extension_ = extension_service->GetExtensionById(extension_id, false);
   if (!extension_)
     return;
 
   GURL icon =
       ExtensionIconSource::GetIconURL(extension_,
                                       extension_misc::EXTENSION_ICON_MEDIUM,
                                       ExtensionIconSet::MATCH_BIGGER,
                                       false, NULL);
 
   DictionaryValue* extension_data = new DictionaryValue();  // Owned by result.
   extension_data->SetString("id", extension_->id());
   extension_data->SetString("name", extension_->name());
   extension_data->SetString("version", extension_->version()->GetString());
   extension_data->SetString("description", extension_->description());
   extension_data->SetString("icon", icon.spec());
 
   DictionaryValue result;
   result.Set("extension", extension_data);
 
   web_ui()->CallJavascriptFunction("extension_activity.handleExtensionData",
                                    result);
 
-  extensions::ActivityLog::GetInstance()->AddObserver(extension_, this);
+  extensions::ActivityLog::GetInstance(profile_)->AddObserver(extension_, this);
 }
 
 void ExtensionActivityUI::OnExtensionActivity(
       const extensions::Extension* extension,
       extensions::ActivityLog::Activity activity,
-      const std::vector<std::string>& messages) {
+      const std::string& message) {
   scoped_ptr<ListValue> messages_list(new ListValue());
-  messages_list->AppendStrings(messages);
+  messages_list->AppendString(message);
 
   DictionaryValue result;
   result.SetInteger("activity", activity);
   result.Set("messages", messages_list.release());
 
   web_ui()->CallJavascriptFunction("extension_activity.handleExtensionActivity",
                                    result);
 }