Rename InvalidatePaintIfNeeded to drop deprecated IfNeeded suffix.

third_party/WebKit/Source/core/paint/BlockPaintInvalidator.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/BlockPaintInvalidator.h"
 
 #include "core/editing/DragCaret.h"
 #include "core/editing/FrameSelection.h"
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutBlock.h"
 #include "core/page/Page.h"
 #include "core/paint/BoxPaintInvalidator.h"
 #include "core/paint/ObjectPaintInvalidator.h"
 #include "core/paint/PaintInvalidator.h"
 
 namespace blink {
 
 void BlockPaintInvalidator::ClearPreviousVisualRects() {
   block_.GetFrame()->Selection().ClearPreviousCaretVisualRect(block_);
   block_.GetFrame()->GetPage()->GetDragCaret().ClearPreviousVisualRect(block_);
 }
 
-PaintInvalidationReason BlockPaintInvalidator::InvalidatePaintIfNeeded(
+PaintInvalidationReason BlockPaintInvalidator::InvalidatePaint(
     const PaintInvalidatorContext& context) {
   PaintInvalidationReason reason =
-      BoxPaintInvalidator(block_, context).InvalidatePaintIfNeeded();
+      BoxPaintInvalidator(block_, context).InvalidatePaint();
 
-  block_.GetFrame()->Selection().InvalidatePaintIfNeeded(block_, context);
-  block_.GetFrame()->GetPage()->GetDragCaret().InvalidatePaintIfNeeded(block_,
-                                                                       context);
+  block_.GetFrame()->Selection().InvalidatePaint(block_, context);
+  block_.GetFrame()->GetPage()->GetDragCaret().InvalidatePaint(block_, context);
 
   return reason;
 }
 
 }  // namespace blink