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

ui/base/ime/input_method_base.cc

Index: ui/base/ime/input_method_base.cc
diff --git a/ui/base/ime/input_method_base.cc b/ui/base/ime/input_method_base.cc
index d37707653409a117540c85d8edbfaeca86533817..106890e939cdf217ac119ee833d01123a2440a3b 100644
--- a/ui/base/ime/input_method_base.cc
+++ b/ui/base/ime/input_method_base.cc
@@ -89,6 +89,12 @@ bool InputMethodBase::CanComposeInline() const {
   return client ? client->CanComposeInline() : true;
 }
 
+void InputMethodBase::ShowVirtualKeyboard() {
+  FOR_EACH_OBSERVER(InputMethodObserver,
+                    observer_list_,
+                    OnShowVirtualKeyboard());
+}
+
 void InputMethodBase::AddObserver(InputMethodObserver* observer) {
   observer_list_.AddObserver(observer);
 }