Make the virtual keyboard show up on the display with input focus.

chrome/browser/ui/ash/chrome_keyboard_ui.cc

Index: chrome/browser/ui/ash/chrome_keyboard_ui.cc
diff --git a/chrome/browser/ui/ash/chrome_keyboard_ui.cc b/chrome/browser/ui/ash/chrome_keyboard_ui.cc
index f812b6fc7a94c8d7adc66d8f09539b864ec25df4..209b1b62c3aacae238665b746d4e9a388bc99d3d 100644
--- a/chrome/browser/ui/ash/chrome_keyboard_ui.cc
+++ b/chrome/browser/ui/ash/chrome_keyboard_ui.cc
@@ -190,11 +190,6 @@ void ChromeKeyboardUI::RenderViewCreated(
 }
 
 void ChromeKeyboardUI::ShowKeyboardContainer(aura::Window* container) {
-  // TODO(bshe): Implement logic to decide which root window should display
-  // virtual keyboard. http://crbug.com/303429
-  if (container->GetRootWindow() != ash::Shell::GetPrimaryRootWindow())
-    NOTIMPLEMENTED();
-
   KeyboardUIContent::ShowKeyboardContainer(container);
 }