Adds functionality to pack an extension / app from the app.

chrome/browser/extensions/api/developer_private/developer_private_api.h

Index: chrome/browser/extensions/api/developer_private/developer_private_api.h
diff --git a/chrome/browser/extensions/api/developer_private/developer_private_api.h b/chrome/browser/extensions/api/developer_private/developer_private_api.h
index 599ee4d024cfddb07374de395c239a8076419df1..ccc4df7af608ed745636ce82311009d6331d117b 100644
--- a/chrome/browser/extensions/api/developer_private/developer_private_api.h
+++ b/chrome/browser/extensions/api/developer_private/developer_private_api.h
@@ -10,6 +10,7 @@
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
+#include "chrome/browser/extensions/pack_extension_job.h"
 #include "chrome/browser/extensions/requirements_checker.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "content/public/browser/notification_observer.h"
@@ -60,9 +61,7 @@ class DeveloperPrivateAPI : public ProfileKeyedService,
 
   void SetLastUnpackedDirectory(const base::FilePath& path);
 
-  base::FilePath& getLastUnpackedDirectory() {
-    return last_unpacked_directory_;
-  }
+  FilePath& GetLastUnpackedDirectory() { return last_unpacked_directory_; }
 
   // ProfileKeyedService implementation
   virtual void Shutdown() OVERRIDE;
@@ -197,17 +196,19 @@ class DeveloperPrivateEnableFunction
   scoped_ptr<extensions::RequirementsChecker> requirements_checker_;
 };
 
-class DeveloperPrivateChooseEntryFunction : public SyncExtensionFunction,
+class DeveloperPrivateChooseEntryFunction : public AsyncExtensionFunction,
                                             public EntryPickerClient {
  protected:
   virtual ~DeveloperPrivateChooseEntryFunction();
   virtual bool RunImpl() OVERRIDE;
   bool ShowPicker(ui::SelectFileDialog::Type picker_type,
-                  const base::FilePath& last_directory,
-                  const string16& select_title);
+                  const FilePath& last_directory,
+                  const string16& select_title,
+                  const ui::SelectFileDialog::FileTypeInfo& info,
+                  int file_type_index);
 
-  // EntryPickerCLient functions.
-  virtual void FileSelected(const base::FilePath& path) = 0;
+  // EntryPickerClient functions.
+  virtual void FileSelected(const FilePath& path) = 0;
   virtual void FileSelectionCanceled() = 0;
 };
 
@@ -225,7 +226,48 @@ class DeveloperPrivateLoadUnpackedFunction
   // EntryPickerCLient implementation.
   virtual void FileSelected(const base::FilePath& path) OVERRIDE;
   virtual void FileSelectionCanceled() OVERRIDE;
+};
+
+class DeveloperPrivateChoosePathFunction
+    : public DeveloperPrivateChooseEntryFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("developerPrivate.choosePath",
+                             DEVELOPERPRIVATE_CHOOSEPATH);
+
+ protected:
+  virtual ~DeveloperPrivateChoosePathFunction();
+  virtual bool RunImpl() OVERRIDE;
+
+  // EntryPickerClient functions.
+  virtual void FileSelected(const FilePath& path) OVERRIDE;
+  virtual void FileSelectionCanceled() OVERRIDE;
+};
 
+class DeveloperPrivatePackDirectoryFunction
+    : public AsyncExtensionFunction,
+      public extensions::PackExtensionJob::Client {
+
+ public:
+  DECLARE_EXTENSION_FUNCTION("developerPrivate.packDirectory",
+                             DEVELOPERPRIVATE_PACKDIRECTORY);
+
+  DeveloperPrivatePackDirectoryFunction();
+
+  // ExtensionPackJob::Client implementation.
+  virtual void OnPackSuccess(const FilePath& crx_file,
+                             const FilePath& key_file) OVERRIDE;
+  virtual void OnPackFailure(
+      const std::string& error,
+      extensions::ExtensionCreator::ErrorType error_type) OVERRIDE;
+
+ protected:
+  virtual ~DeveloperPrivatePackDirectoryFunction();
+  virtual bool RunImpl() OVERRIDE;
+
+ private:
+  scoped_refptr<extensions::PackExtensionJob> pack_job_;
+  std::string item_path_str_;
+  std::string key_path_str_;
 };
 
 class DeveloperPrivateGetStringsFunction : public SyncExtensionFunction {