Adjust virtual keyboard size base on input method candidates.

chrome/browser/extensions/extension_input_api.cc

Index: chrome/browser/extensions/extension_input_api.cc
diff --git a/chrome/browser/extensions/extension_input_api.cc b/chrome/browser/extensions/extension_input_api.cc
index 0b2db172a4202381009061c515a2eee0f77a3ebc..7f996f40957f307ea9cc2bb58cc3dc65fdb67304 100644
--- a/chrome/browser/extensions/extension_input_api.cc
+++ b/chrome/browser/extensions/extension_input_api.cc
@@ -144,6 +144,16 @@ bool HideKeyboardFunction::RunImpl() {
       NotificationService::NoDetails());
   return true;
 }
+
+bool SetKeyboardHeightFunction::RunImpl() {
+  int height = 0;
+  EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &height));
+  NotificationService::current()->Notify(
+      NotificationType::SET_KEYBOARD_HEIGHT_INVOKED,
+      Source<SetKeyboardHeightFunction>(this),
+      Details<int>(&height));
+  return true;
+}
 #endif
 
 #if defined(OS_CHROMEOS) && defined(TOUCH_UI)