DRAFT: Add setKeyboardVisibility API.

chrome/browser/extensions/api/input/input.cc

Index: chrome/browser/extensions/api/input/input.cc
diff --git a/chrome/browser/extensions/api/input/input.cc b/chrome/browser/extensions/api/input/input.cc
index f0eecbeb303d338e25d6c34953cc53bc1d89dcd3..3c2a6a34d5b12e601d1ce615bc3dbf3a3986dfae 100644
--- a/chrome/browser/extensions/api/input/input.cc
+++ b/chrome/browser/extensions/api/input/input.cc
@@ -15,6 +15,7 @@
 #if defined(USE_ASH)
 #include "ash/shell.h"
 #include "ui/aura/root_window.h"
+#include "ui/keyboard/keyboard_controller.h"
 #include "ui/keyboard/keyboard_util.h"
 #endif
 
@@ -45,9 +46,26 @@ bool SendKeyboardEventInputFunction::RunImpl() {
   return false;
 }
 
+bool SetKeyboardVisibilityFunction::RunImpl() {
+#if defined(USE_ASH)
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+
+  bool visible;
+  EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(0, &visible));
+
+  ash::Shell::GetKeyboardController()->SetKeyboardVisibility(visible);
+
+  return true;
+#endif
+  error_ = kNotYetImplementedError;
+  return false;
+}
+
+
 InputAPI::InputAPI(Profile* profile) {
   ExtensionFunctionRegistry* registry =
       ExtensionFunctionRegistry::GetInstance();
+  registry->RegisterFunction<SetKeyboardVisibilityFunction>();
   registry->RegisterFunction<SendKeyboardEventInputFunction>();
 }