sk6_charactercomposer: Merged DispatchKeyEvent and its fabricated version.

chromeos/ime/ibus_bridge.h

Index: chromeos/ime/ibus_bridge.h
diff --git a/chromeos/ime/ibus_bridge.h b/chromeos/ime/ibus_bridge.h
index 57799ec1476bd5752cf4d24673446cbf55b998fa..2b6a3d3e58f51476f5fe545fe842379699bc178d 100644
--- a/chromeos/ime/ibus_bridge.h
+++ b/chromeos/ime/ibus_bridge.h
@@ -86,15 +86,23 @@ class CHROMEOS_EXPORT IBusEngineHandlerInterface {
   // Called when the IME is reset.
   virtual void Reset() = 0;
 
-  // Called when the key event is received. The |keycode| is raw layout
-  // independent keycode. The |keysym| is result of XLookupString function
-  // which translate |keycode| to keyboard layout dependent symbol value.
-  // Actual implementation must call |callback| after key event handling.
-  // For example: key press event for 'd' key on us layout and dvorak layout.
+  // Called when the key event is received. The |keycode| is raw
+  // layout independent keycode string. The |keysym| is a keyboard
+  // layout dependent symbol string.  Actual implementation must call
+  // |callback| after key event handling.  For example: key press
+  // event for 'd' key on us layout and dvorak layout.
   //                  keyval keycode state
-  //      us layout :  0x64   0x20    0x00
-  //  dvorak layout :  0x65   0x20    0x00
-  virtual void ProcessKeyEvent(uint32 keysym, uint32 keycode, uint32 state,
+  //      us layout :  "d"   "KeyD"   0x00
+  //  dvorak layout :  "e"   "KeyD"   0x00
+  //
+  // TODO(komatsu): Use ui::KeyEvent after addressing the DEPS issue.
+  virtual void ProcessKeyEvent(const std::string& keysym,
+                               const std::string& keycode,
+                               bool is_key_down,
+                               bool is_alt_down,
+                               bool is_ctrl_down,
+                               bool is_shift_down,
+                               bool is_caps_lock_down,
                                const KeyEventDoneCallback& callback) = 0;
 
   // Called when the candidate in lookup table is clicked. The |index| is 0