Make limitations for input.ime.sendKeyEvents API.

ui/base/ime/input_method.h

Index: ui/base/ime/input_method.h
diff --git a/ui/base/ime/input_method.h b/ui/base/ime/input_method.h
index 598fd4f76f9824db98e3b0d60631a3e1da85c930..cfa5583192520437d31f190346e3ced9c8a9192e 100644
--- a/ui/base/ime/input_method.h
+++ b/ui/base/ime/input_method.h
@@ -8,12 +8,18 @@
 #include <stdint.h>
 
 #include <string>
+#include <vector>
 
 #include "base/event_types.h"
+#include "base/memory/scoped_vector.h"
 #include "build/build_config.h"
 #include "ui/base/ime/text_input_mode.h"
 #include "ui/base/ime/text_input_type.h"
 
+namespace extensions {
+class InputImeApiTest;
+}  // namespace extensions
+
 namespace ui {
 
 namespace internal {
@@ -48,6 +54,7 @@ class TextInputClient;
 // ui::InputMethod and owns it.
 class InputMethod {
  public:
+  InputMethod() : track_key_events_for_testing_(false) {}
 
 #if defined(OS_WIN)
   typedef LRESULT NativeEventResult;
@@ -152,6 +159,16 @@ class InputMethod {
   // Management of the observer list.
   virtual void AddObserver(InputMethodObserver* observer) = 0;
   virtual void RemoveObserver(InputMethodObserver* observer) = 0;
+
+ protected:
+  friend class extensions::InputImeApiTest;
+
+  // Gets the tracked key events of using input.ime.sendKeyEvents API.
+  virtual const std::vector<std::unique_ptr<ui::KeyEvent>>&
+  GetKeyEventsForTesting() = 0;
+
+  // Whether the key events will be tracked. Only used for testing.
+  bool track_key_events_for_testing_;
 };
 
 }  // namespace ui