Files.app: random code clean up.

chrome/browser/chromeos/file_manager/app_installer.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 "chrome/browser/chromeos/file_manager/app_installer.h"
 
 #include "content/public/browser/web_contents.h"
-
-class Profile;
+#include "content/public/browser/web_contents_observer.h"
 
 namespace file_manager {
 
 namespace {
 const char kWebContentsDestroyedError[] = "WebContents is destroyed.";
 }  // namespace
 
-class AppInstaller::WebContentsObserver
-    : public content::WebContentsObserver {
-
+class AppInstaller::WebContentsObserver : public content::WebContentsObserver {
  public:
-  explicit WebContentsObserver(
-      content::WebContents* web_contents,
-      AppInstaller* parent)
+  WebContentsObserver(content::WebContents* web_contents, AppInstaller* parent)
       : content::WebContentsObserver(web_contents),
         parent_(parent) {
   }
 
  protected:
   // content::WebContentsObserver implementation.
   virtual void WebContentsDestroyed() OVERRIDE {
     parent_->OnWebContentsDestroyed(web_contents());
   }
 
  private:
   AppInstaller* parent_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(WebContentsObserver);
 };
 
-AppInstaller::AppInstaller(
-    content::WebContents* web_contents,
-    const std::string& webstore_item_id,
-    Profile* profile,
-    const Callback& callback)
-    : extensions::WebstoreStandaloneInstaller(
-          webstore_item_id,
-          profile,
-          callback),
+AppInstaller::AppInstaller(content::WebContents* web_contents,
+                           const std::string& item_id,
+                           Profile* profile,
+                           const Callback& callback)
+    : extensions::WebstoreStandaloneInstaller(item_id, profile, callback),
       callback_(callback),
       web_contents_(web_contents),
       web_contents_observer_(new WebContentsObserver(web_contents, this)) {
 }
 
 AppInstaller::~AppInstaller() {}
 
 bool AppInstaller::CheckRequestorAlive() const {
   // The tab may have gone away - cancel installation in that case.
   return web_contents_ != NULL;
@@ skipping 44 matching lines @@
   return true;
 }
 
 void AppInstaller::OnWebContentsDestroyed(
     content::WebContents* web_contents) {
   callback_.Run(false, kWebContentsDestroyedError);
   AbortInstall();
 }
 
 }  // namespace file_manager