[Extensions UI] Update extensions page to use api methods for permissions prompt

chrome/browser/extensions/api/developer_private/show_permissions_dialog_helper.cc

+// 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 "chrome/browser/extensions/api/developer_private/show_permissions_dialog_helper.h"
+
+#include "apps/app_load_service.h"
+#include "apps/saved_files_service.h"
+#include "base/metrics/histogram.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/apps/app_info_dialog.h"
+#include "content/public/browser/web_contents.h"
+#include "extensions/browser/api/device_permissions_manager.h"
+#include "extensions/browser/extension_registry.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/permissions/permissions_data.h"
+
+namespace extensions {
+
+ShowPermissionsDialogHelper::ShowPermissionsDialogHelper(
+    Profile* profile,
+    const base::Closure& on_complete)
+    : profile_(profile),
+      on_complete_(on_complete) {
+}
+
+ShowPermissionsDialogHelper::~ShowPermissionsDialogHelper() {
+}
+
+// static
+void ShowPermissionsDialogHelper::Show(content::WebContents* web_contents,
+                                       content::BrowserContext* browser_context,
+                                       const Extension* extension,
+                                       bool from_extensions_page,
+                                       const base::Closure& on_complete) {
+  Profile* profile = Profile::FromBrowserContext(browser_context);
+
+  // Show the new-style extensions dialog when it is available. It is currently
+  // unavailable by default on Mac.
+  if (CanShowAppInfoDialog()) {
+    if (from_extensions_page) {
+      UMA_HISTOGRAM_ENUMERATION("Apps.AppInfoDialog.Launches",
+                                AppInfoLaunchSource::FROM_EXTENSIONS_PAGE,
+                                AppInfoLaunchSource::NUM_LAUNCH_SOURCES);
+    }
+
+    // The Unretained() is safe here because this object's parent should never

[not at google - send to devlin, 2015/03/16 17:39:55]

I don't see an Unretained()

[Devlin, 2015/03/16 21:10:55]

Done.

+    // go away before a response.
+    ShowAppInfoInNativeDialog(
+        web_contents->GetTopLevelNativeWindow(),
+        GetAppInfoNativeDialogSize(),
+        profile,
+        extension,
+        on_complete);
+
+    return;  // All done.
+  }
+
+  // ShowPermissionsDialogHelper manages its own lifetime.
+  ShowPermissionsDialogHelper* helper =
+      new ShowPermissionsDialogHelper(profile, on_complete);
+  helper->ShowPermissionsDialog(web_contents, extension);
+}
+
+void ShowPermissionsDialogHelper::ShowPermissionsDialog(
+    content::WebContents* web_contents,
+    const Extension* extension) {
+  extension_id_ = extension->id();
+  prompt_.reset(new ExtensionInstallPrompt(web_contents));
+  std::vector<base::FilePath> retained_file_paths;
+  if (extension->permissions_data()->HasAPIPermission(
+          APIPermission::kFileSystem)) {
+    std::vector<apps::SavedFileEntry> retained_file_entries =
+        apps::SavedFilesService::Get(profile_)
+            ->GetAllFileEntries(extension_id_);
+    for (const apps::SavedFileEntry& entry : retained_file_entries)
+      retained_file_paths.push_back(entry.path);
+  }
+  std::vector<base::string16> retained_device_messages;
+  if (extension->permissions_data()->HasAPIPermission(APIPermission::kUsb)) {
+    retained_device_messages =
+        DevicePermissionsManager::Get(profile_)
+            ->GetPermissionMessageStrings(extension_id_);
+  }
+  prompt_->ReviewPermissions(
+      this, extension, retained_file_paths, retained_device_messages);
+}
+
+// This is called when the user clicks "Revoke File Access."
+void ShowPermissionsDialogHelper::InstallUIProceed() {
+  const Extension* extension =
+      ExtensionRegistry::Get(profile_)->GetExtensionById(
+          extension_id_, ExtensionRegistry::EVERYTHING);
+
+  if (extension)
+    apps::SavedFilesService::Get(profile_)->ClearQueue(extension);
+  apps::AppLoadService::Get(profile_)
+      ->RestartApplicationIfRunning(extension_id_);
+
+  on_complete_.Run();
+
+  delete this;
+}
+
+void ShowPermissionsDialogHelper::InstallUIAbort(bool user_initiated) {
+  on_complete_.Run();
+
+  delete this;
+}
+
+}  // namespace extensions