Limit display of the virtual keyboard to state changes triggered from a user gesture.

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 ac24f77af165c41ad9b518722e736909fe15d0f5..3599a55e3a0b87b4941a79b148a7bfa2d5da9361 100644
--- a/ui/base/ime/input_method.h
+++ b/ui/base/ime/input_method.h
@@ -174,6 +174,9 @@ class InputMethod {
   // of IME popups is not supported.
   virtual bool IsCandidatePopupOpen() const = 0;
 
+  // Displays an on screen keyboard if enabled.
+  virtual void ShowVirtualKeyboard() = 0;
+
   // Management of the observer list.
   virtual void AddObserver(InputMethodObserver* observer) = 0;
   virtual void RemoveObserver(InputMethodObserver* observer) = 0;