Implement input.ime.sendKeyEvents API.

ui/base/ime/ime_input_context_handler_interface.h

Index: ui/base/ime/ime_input_context_handler_interface.h
diff --git a/ui/base/ime/ime_input_context_handler_interface.h b/ui/base/ime/ime_input_context_handler_interface.h
index 5a8f6aeae3a8cb299fe416e0b5dcef89664f5918..b8fbb2b358be9366e128c47a0e0293e387adef0a 100644
--- a/ui/base/ime/ime_input_context_handler_interface.h
+++ b/ui/base/ime/ime_input_context_handler_interface.h
@@ -10,6 +10,7 @@
 #include <string>
 #include "ui/base/ime/composition_text.h"
 #include "ui/base/ime/ui_base_ime_export.h"
+#include "ui/events/event.h"
 
 namespace ui {
 
@@ -25,6 +26,9 @@ class UI_BASE_IME_EXPORT IMEInputContextHandlerInterface {
 
   // Called when the engine request deleting surrounding string.
   virtual void DeleteSurroundingText(int32_t offset, uint32_t length) = 0;
+
+  // Called when the engine sends a key event.
+  virtual void SendKeyEvent(KeyEvent* event) = 0;
 };
 
 }  // namespace ui