[ChromeOS] Show autofill popup after keyboard (if any) is shown.

ui/base/ime/remote_input_method_win.cc

Index: ui/base/ime/remote_input_method_win.cc
diff --git a/ui/base/ime/remote_input_method_win.cc b/ui/base/ime/remote_input_method_win.cc
index 37db85202698f3ac505be868aff57a6603ff5056..44e88c1bfaaecbab9a11d0764d9cfb21eb39fbf3 100644
--- a/ui/base/ime/remote_input_method_win.cc
+++ b/ui/base/ime/remote_input_method_win.cc
@@ -286,6 +286,16 @@ class RemoteInputMethodWin : public InputMethod,
   virtual void ShowImeIfNeeded() override {
   }
 
+  virtual void SetSupportsOnScreenKeyboard(bool supports) override {
+  }
+
+  virtual bool SupportsOnScreenKeyboard() const override {
+    return false;
+  }
+
+  virtual void OnKeyboardBoundsUnchanged() override {
+  }
+
   virtual void AddObserver(InputMethodObserver* observer) override {
     observer_list_.AddObserver(observer);
   }