Switching VirtualKeyboardPrivate keyboard config call stack to receive HasInputDevices() responce a…

chrome/browser/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.h

Index: chrome/browser/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.h
diff --git a/chrome/browser/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.h b/chrome/browser/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.h
index f52f458657d759ed887c4486184f1d9736c74f32..0d08b1a5b87537924cb31d5e4512d1c99c0bcd65 100644
--- a/chrome/browser/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.h
+++ b/chrome/browser/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.h
@@ -7,15 +7,18 @@
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
 #include "extensions/browser/api/virtual_keyboard_private/virtual_keyboard_delegate.h"
 
 namespace extensions {
 
 class ChromeVirtualKeyboardDelegate : public VirtualKeyboardDelegate {
  public:
-  ChromeVirtualKeyboardDelegate() {}
-  ~ChromeVirtualKeyboardDelegate() override {}
-  bool GetKeyboardConfig(base::DictionaryValue* settings) override;
+  ChromeVirtualKeyboardDelegate();
+  ~ChromeVirtualKeyboardDelegate() override;
+
+  void GetKeyboardConfig(
+      OnKeyboardSettingsCallback on_settings_callback) override;
   bool HideKeyboard() override;
   bool InsertText(const base::string16& text) override;
   bool OnKeyboardLoaded() override;
@@ -32,6 +35,11 @@ class ChromeVirtualKeyboardDelegate : public VirtualKeyboardDelegate {
   bool SetRequestedKeyboardState(int state_enum) override;
 
  private:
+  void OnHasInputDevices(OnKeyboardSettingsCallback on_settings_callback,
+                         bool has_input_devices);
+
+  base::WeakPtr<ChromeVirtualKeyboardDelegate> weak_this_;
+  base::WeakPtrFactory<ChromeVirtualKeyboardDelegate> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(ChromeVirtualKeyboardDelegate);
 };