ime: Remove unused IsInputFieldFocused method.

Change-Id: I77f7d6cc963838d89a9a0cf83b038a4217ac987c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2538856
Auto-Submit: Darren Shen <shend@chromium.org>
Reviewed-by: Darren Shen <shend@chromium.org>
Reviewed-by: My Nguyen <myy@chromium.org>
Commit-Queue: Darren Shen <shend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#827691}

ui/base/ime/chromeos/input_method_chromeos.cc

@@ -844,10 +844,6 @@ bool InputMethodChromeOS::IsPasswordOrNoneInputFieldFocused() {
   return type == TEXT_INPUT_TYPE_NONE || type == TEXT_INPUT_TYPE_PASSWORD;
 }
 
-bool InputMethodChromeOS::IsInputFieldFocused() {
-  return GetTextInputType() != TEXT_INPUT_TYPE_NONE;
-}
-
 TextInputClient::FocusReason InputMethodChromeOS::GetClientFocusReason() const {
   TextInputClient* client = GetTextInputClient();
   return client ? client->GetFocusReason() : TextInputClient::FOCUS_REASON_NONE;

ui/base/ime/chromeos/input_method_chromeos.h

@@ -147,9 +147,6 @@ class COMPONENT_EXPORT(UI_BASE_IME_CHROMEOS) InputMethodChromeOS
 
   bool IsPasswordOrNoneInputFieldFocused();
 
-  // Returns true if an text input field is focused.
-  bool IsInputFieldFocused();
-
   // Gets the reason how the focused text input client was focused.
   TextInputClient::FocusReason GetClientFocusReason() const;