Update extension install prompt to reflect withheld permissions

chrome/browser/extensions/extension_install_prompt.h

Index: chrome/browser/extensions/extension_install_prompt.h
diff --git a/chrome/browser/extensions/extension_install_prompt.h b/chrome/browser/extensions/extension_install_prompt.h
index 54fa47ee81ca1b27736357dbdec3facab34f05e3..9573eb54ad41a2adc15a3ac3f50427c4ec6f97d4 100644
--- a/chrome/browser/extensions/extension_install_prompt.h
+++ b/chrome/browser/extensions/extension_install_prompt.h
@@ -80,9 +80,16 @@ class ExtensionInstallPrompt
 
   enum DetailsType {
     PERMISSIONS_DETAILS = 0,
+    WITHHELD_PERMISSIONS_DETAILS,
     RETAINED_FILES_DETAILS,
   };
 
+  enum PermissionsType {
+    REGULAR_PERMISSIONS = 0,
+    WITHHELD_PERMISSIONS,
+    ALL_PERMISSIONS,
+  };
+
   static std::string PromptTypeToString(PromptType type);
 
   // Extra information needed to display an installation or uninstallation
@@ -96,9 +103,11 @@ class ExtensionInstallPrompt
     explicit Prompt(PromptType type);
 
     // Sets the permission list for this prompt.
-    void SetPermissions(const std::vector<base::string16>& permissions);
+    void SetPermissions(const std::vector<base::string16>& permissions,
+                        PermissionsType permissions_type);
     // Sets the permission list details for this prompt.
-    void SetPermissionsDetails(const std::vector<base::string16>& details);
+    void SetPermissionsDetails(const std::vector<base::string16>& details,
+                               PermissionsType permissions_type);
     void SetIsShowingDetails(DetailsType type,
                              size_t index,
                              bool is_showing_details);
@@ -119,7 +128,8 @@ class ExtensionInstallPrompt
     base::string16 GetAcceptButtonLabel() const;
     bool HasAbortButtonLabel() const;
     base::string16 GetAbortButtonLabel() const;
-    base::string16 GetPermissionsHeading() const;
+    base::string16 GetPermissionsHeading(
+        PermissionsType permissions_type) const;
     base::string16 GetRetainedFilesHeading() const;
 
     bool ShouldShowPermissions() const;
@@ -136,10 +146,13 @@ class ExtensionInstallPrompt
     void AppendRatingStars(StarAppender appender, void* data) const;
     base::string16 GetRatingCount() const;
     base::string16 GetUserCount() const;
-    size_t GetPermissionCount() const;
-    size_t GetPermissionsDetailsCount() const;
-    base::string16 GetPermission(size_t index) const;
-    base::string16 GetPermissionsDetails(size_t index) const;
+    size_t GetPermissionCount(PermissionsType permissions_type) const;
+    size_t GetPermissionsDetailsCount(PermissionsType permissions_type) const;
+    base::string16 GetPermission(size_t index,
+                                 PermissionsType permissions_type) const;
+    base::string16 GetPermissionsDetails(
+        size_t index,
+        PermissionsType permissions_type) const;
     bool GetIsShowingDetails(DetailsType type, size_t index) const;
     size_t GetRetainedFileCount() const;
     base::string16 GetRetainedFile(size_t index) const;
@@ -176,17 +189,34 @@ class ExtensionInstallPrompt
    private:
     friend class base::RefCountedThreadSafe<Prompt>;
 
+    struct InstallPromptPermissions {
+      InstallPromptPermissions();
+      ~InstallPromptPermissions();
+
+      std::vector<base::string16> permissions;
+      std::vector<base::string16> details;
+      std::vector<bool> is_showing_details;
+    };
+
     virtual ~Prompt();
 
+    // Returns the InstallPromptPermissions corresponding to
+    // |permissions_type|.
+    InstallPromptPermissions& GetPermissionsForType(
+        PermissionsType permissions_type);
+    const InstallPromptPermissions& GetPermissionsForType(
+        PermissionsType permissions_type) const;
+
     bool ShouldDisplayRevokeFilesButton() const;
 
     PromptType type_;
 
     // Permissions that are being requested (may not be all of an extension's
     // permissions if only additional ones are being requested)
-    std::vector<base::string16> permissions_;
-    std::vector<base::string16> details_;
-    std::vector<bool> is_showing_details_for_permissions_;
+    InstallPromptPermissions prompt_permissions_;
+    // Permissions that will be withheld upon install.
+    InstallPromptPermissions withheld_prompt_permissions_;
+
     bool is_showing_details_for_retained_files_;
 
     // The extension or bundle being installed.
@@ -405,8 +435,9 @@ class ExtensionInstallPrompt
   // The bundle we are showing the UI for, if type BUNDLE_INSTALL_PROMPT.
   const extensions::BundleInstaller* bundle_;
 
-  // The permissions being prompted for.
-  scoped_refptr<const extensions::PermissionSet> permissions_;
+  // A custom set of permissions to show in the install prompt instead of the
+  // extension's active permissions.
+  scoped_refptr<const extensions::PermissionSet> custom_permissions_;
 
   // The object responsible for doing the UI specific actions.
   scoped_ptr<ExtensionInstallUI> install_ui_;