ChromeOS: virtual destructors should have virtual keyword.

Nu functionality change: virtual is only added to destructors
that are already implicitly virtual.

BUG=83408
TEST=chromiumos clang bot goes green
TBR=battre

Review URL: http://codereview.chromium.org/6992062

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86607 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/boot_times_loader.h

@@ -33,7 +33,7 @@ class BootTimesLoader
       public NotificationObserver {
  public:
   BootTimesLoader();
-  ~BootTimesLoader();
+  virtual ~BootTimesLoader();
 
   // All fields are 0.0 if they couldn't be found.
   typedef struct BootTimes {

chrome/browser/chromeos/cros/network_library.h

@@ -430,7 +430,7 @@ class VirtualNetwork : public Network {
   };
 
   explicit VirtualNetwork(const std::string& service_path);
-  ~VirtualNetwork();
+  virtual ~VirtualNetwork();
 
   const std::string& server_hostname() const { return server_hostname_; }
   ProviderType provider_type() const { return provider_type_; }

chrome/browser/chromeos/customization_document.h

@@ -83,7 +83,7 @@ class StartupCustomizationDocument : public CustomizationDocument {
   StartupCustomizationDocument(SystemAccess* system_access,
                                const std::string& manifest);
 
-  ~StartupCustomizationDocument();
+  virtual ~StartupCustomizationDocument();
 
   void Init(SystemAccess* system_access);
 
@@ -169,7 +169,7 @@ class ServicesCustomizationDocument : public CustomizationDocument,
   ServicesCustomizationDocument(const std::string& manifest,
                                 const std::string& initial_locale);
 
-  ~ServicesCustomizationDocument();
+  virtual ~ServicesCustomizationDocument();
 
   // Save applied state in machine settings.
   static void SetApplied(bool val);

chrome/browser/chromeos/login/existing_user_controller.h

@@ -48,7 +48,7 @@ class ExistingUserController : public LoginDisplay::Delegate,
  public:
   // All UI initialization is deferred till Init() call.
   explicit ExistingUserController(LoginDisplayHost* host);
-  ~ExistingUserController();
+  virtual ~ExistingUserController();
 
   // Returns the current existing user controller if it has been created.
   static ExistingUserController* current_controller() {

chrome/browser/chromeos/login/help_app_launcher.h

@@ -37,7 +37,7 @@ class HelpAppLauncher : public LoginHtmlDialog::Delegate,
 
   // Parent window is used to show dialog.
   explicit HelpAppLauncher(gfx::NativeWindow parent_window);
-  ~HelpAppLauncher();
+  virtual ~HelpAppLauncher();
 
   // Shows specified help topic.
   void ShowHelpTopic(HelpTopic help_topic_id);

chrome/browser/chromeos/login/helper.h

@@ -156,7 +156,7 @@ class WideButton : public views::NativeButton {
     CorrectNativeButtonFontSize(this);
   }
 
-  ~WideButton() {}
+  virtual ~WideButton() {}
 
  private:
   virtual gfx::Size GetPreferredSize();

chrome/browser/chromeos/login/login_html_dialog.h

@@ -41,7 +41,7 @@ class LoginHtmlDialog : public HtmlDialogUIDelegate,
                   const std::wstring& title,
                   const GURL& url,
                   Style style);
-  ~LoginHtmlDialog();
+  virtual ~LoginHtmlDialog();
 
   // Shows created dialog.
   void Show();

chrome/browser/chromeos/login/user_controller.h

@@ -60,7 +60,7 @@ class UserController : public views::WidgetDelegate,
   // Creates a UserController for the specified user.
   UserController(Delegate* delegate, const UserManager::User& user);
 
-  ~UserController();
+  virtual ~UserController();
 
   // Initializes the UserController, creating the set of windows/controls.
   // |index| is the index of this user, and |total_user_count| the total

chrome/browser/chromeos/login/wizard_controller.h

@@ -51,7 +51,7 @@ class WizardController : public chromeos::ScreenObserver,
  public:
   explicit WizardController(chromeos::LoginDisplayHost* host,
                             const gfx::Rect& screen_bounds);
-  ~WizardController();
+  virtual ~WizardController();
 
   // Returns the default wizard controller if it has been created.
   static WizardController* default_controller() {

chrome/browser/chromeos/version_loader.h

@@ -34,7 +34,7 @@ namespace chromeos {
 class VersionLoader : public CancelableRequestProvider {
  public:
   VersionLoader();
-  ~VersionLoader();
+  virtual ~VersionLoader();
 
   enum VersionFormat {
     VERSION_SHORT,

chrome/browser/chromeos/wm_message_listener.h

@@ -49,7 +49,7 @@ class WmMessageListener : public MessageLoopForUI::Observer {
   friend struct DefaultSingletonTraits<WmMessageListener>;
 
   WmMessageListener();
-  ~WmMessageListener();
+  virtual ~WmMessageListener();
 
   // Invoked when a valid WmIpc::Message is received.
   void ProcessMessage(const WmIpc::Message& message, GdkWindow* window);

chrome/browser/ui/views/extensions/extension_view.h

@@ -21,7 +21,7 @@ class RenderViewHost;
 class ExtensionView : public views::NativeViewHost {
  public:
   ExtensionView(ExtensionHost* host, Browser* browser);
-  ~ExtensionView();
+  virtual ~ExtensionView();
 
   // A class that represents the container that this view is in.
   // (bottom shelf, side bar, etc.)