Add 'Revoke File Permissions' button to App Info Dialog

chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.h

Index: chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.h
diff --git a/chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.h b/chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.h
index 3fb042b9363b6c2b6854c87b8c044c6b9ea71feb..aabb7dff7ce53ff8843adda1cbcc4f0af531f019 100644
--- a/chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.h
+++ b/chrome/browser/ui/views/apps/app_info_dialog/app_info_permissions_tab.h
@@ -7,6 +7,7 @@
 
 #include "chrome/browser/ui/views/apps/app_info_dialog/app_info_tab.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/views/controls/button/button.h"
 
 class Profile;
 
@@ -14,13 +15,17 @@ namespace extensions {
 class Extension;
 class PermissionSet;
 }
+namespace ui {
+class Event;
+}
 namespace views {
+class LabelButton;
 class ScrollView;
 }
 
 // The Permissions tab of the app info dialog, which provides insight and
 // control over the app's various permissions.
-class AppInfoPermissionsTab : public AppInfoTab {
+class AppInfoPermissionsTab : public AppInfoTab, views::ButtonListener {
  public:
   AppInfoPermissionsTab(gfx::NativeWindow parent_window,
                         Profile* profile,
@@ -42,6 +47,14 @@ class AppInfoPermissionsTab : public AppInfoTab {
   // Overridden from views::View:
   virtual void Layout() OVERRIDE;
 
+  // Overridden from views::ButtonListener:
+  virtual void ButtonPressed(views::Button* sender,
+                             const ui::Event& event) OVERRIDE;
+
+  // Clears all retained file permissions for this app, restarts the app and
+  // closes this dialog.
+  void RevokeFilePermissions();
+
   const extensions::PermissionSet* GetRequiredPermissions() const;
   const std::vector<base::string16> GetRequiredPermissionMessages() const;
 
@@ -52,6 +65,7 @@ class AppInfoPermissionsTab : public AppInfoTab {
   const std::vector<base::string16> GetRetainedFilePermissionMessages() const;
 
   views::ScrollView* scroll_view_;
+  views::LabelButton* revoke_file_permissions_button_;
 
   DISALLOW_COPY_AND_ASSIGN(AppInfoPermissionsTab);
 };