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 ea939eed1ecdf421d7fc907acbd5ecdf6382fe2e..e7b42b4ba19a64942c17db94012bebf15e1011ce 100644
--- a/chrome/browser/extensions/api/developer_private/developer_private_api.h
+++ b/chrome/browser/extensions/api/developer_private/developer_private_api.h
@@ -9,6 +9,7 @@
 #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"
@@ -63,7 +64,7 @@ class DeveloperPrivateAPI : public ProfileKeyedService,
 
   void LoadUnpacked(const FilePath& path);
 
-  FilePath& getLastUnpackedDirectory() { return last_unpacked_directory_; }
+  FilePath& GetLastUnpackedDirectory() { return last_unpacked_directory_; }
 
   bool UninstallItem(const std::string extension_id, Browser* browser);
 
@@ -226,18 +227,21 @@ class DeveloperPrivateUninstallFunction : public SyncExtensionFunction {
   virtual bool RunImpl() OVERRIDE;
 };
 
-class DeveloperPrivateChooseEntryFunction : public SyncExtensionFunction {
+class DeveloperPrivateChooseEntryFunction : public AsyncExtensionFunction {
  protected:
   virtual ~DeveloperPrivateChooseEntryFunction();
   virtual bool RunImpl() OVERRIDE;
   bool ShowPicker(ui::SelectFileDialog::Type picker_type,
                   const FilePath& last_directory,
-                  const string16& select_title);
+                  const string16& select_title,
+                  const ui::SelectFileDialog::FileTypeInfo& info,
+                  int file_type_index
+                  );
 
   friend EntryPicker;
   // FileSelected and FileSelectionCanceled are called by the entry picker.
-  void FileSelected(const FilePath& path);
-  void FileSelectionCanceled();
+  virtual void FileSelected(const FilePath& path) = 0;
+  virtual void FileSelectionCanceled() = 0;
  private:
 };
 
@@ -251,6 +255,48 @@ class DeveloperPrivateLoadUnpackedFunction
   virtual ~DeveloperPrivateLoadUnpackedFunction();
   virtual bool RunImpl() OVERRIDE;
 
+  virtual void FileSelected(const FilePath& path) OVERRIDE;
+  virtual void FileSelectionCanceled() OVERRIDE;
+};
+
+class DeveloperPrivateChoosePathFunction
+    : public DeveloperPrivateChooseEntryFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("developerPrivate.choosePath");
+
+ protected:
+  virtual ~DeveloperPrivateChoosePathFunction();
+  virtual bool RunImpl() OVERRIDE;
+
+  virtual void FileSelected(const FilePath& path) OVERRIDE;
+  virtual void FileSelectionCanceled() OVERRIDE;
+};
+
+class DeveloperPrivatePackDirectoryFunction
+    : public AsyncExtensionFunction,
+      public extensions::PackExtensionJob::Client {
+
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("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 {