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

ui/views/ime/input_method_bridge.cc

Index: ui/views/ime/input_method_bridge.cc
diff --git a/ui/views/ime/input_method_bridge.cc b/ui/views/ime/input_method_bridge.cc
index b6106d8962c49d026c227596c37333576e032d36..5fc7fde3d77e7a0f36850ac2d3e1ad85b6e6c06c 100644
--- a/ui/views/ime/input_method_bridge.cc
+++ b/ui/views/ime/input_method_bridge.cc
@@ -33,6 +33,7 @@ class InputMethodBridge::HostObserver : public ui::InputMethodObserver {
       const ui::TextInputClient* client) OVERRIDE {}
   virtual void OnInputMethodDestroyed(
       const ui::InputMethod* input_method) OVERRIDE;
+  virtual void OnShowImeIfNeeded() OVERRIDE {}
 
  private:
   InputMethodBridge* bridge_;
@@ -171,6 +172,11 @@ bool InputMethodBridge::IsCandidatePopupOpen() const {
   return host_->IsCandidatePopupOpen();
 }
 
+void InputMethodBridge::ShowImeIfNeeded() {
+  DCHECK(host_);
+  host_->ShowImeIfNeeded();
+}
+
 // Overridden from TextInputClient. Forward an event from the system-wide IME
 // to the text input |client|, which is e.g. views::Textfield.
 void InputMethodBridge::SetCompositionText(