Rename blink::AtomicString::Lower() to DeprecatedLower().

third_party/WebKit/Source/core/editing/InputMethodController.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 172 matching lines @@
     element->GetDocument().UpdateStyleAndLayoutTree();
     if (HasEditableStyle(*element))
       query_attribute = true;
   }
 
   if (!query_attribute)
     return AtomicString();
 
   // TODO(dtapuska): We may wish to restrict this to a yet to be proposed
   // <contenteditable> or <richtext> element Mozilla discussed at TPAC 2016.
-  return element->FastGetAttribute(HTMLNames::inputmodeAttr).Lower();
+  return element->FastGetAttribute(HTMLNames::inputmodeAttr).DeprecatedLower();
 }
 
 constexpr int kInvalidDeletionLength = -1;
 constexpr bool IsInvalidDeletionLength(const int length) {
   return length == kInvalidDeletionLength;
 }
 
 int CalculateBeforeDeletionLengthsInCodePoints(
     const String& text,
     const int before_length_in_code_points,
@@ skipping 1028 matching lines @@
   FinishComposingText(kKeepSelection);
 }
 
 DEFINE_TRACE(InputMethodController) {
   visitor->Trace(frame_);
   visitor->Trace(composition_range_);
   SynchronousMutationObserver::Trace(visitor);
 }
 
 }  // namespace blink