Rename InvalidatePaintIfNeeded to drop deprecated IfNeeded suffix.

third_party/WebKit/Source/core/paint/BoxPaintInvalidator.h

 // 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.
 
 #ifndef BoxPaintInvalidator_h
 #define BoxPaintInvalidator_h
 
 #include "platform/graphics/PaintInvalidationReason.h"
 #include "platform/wtf/Allocator.h"
 
 namespace blink {
 
 class LayoutBox;
 class LayoutRect;
 struct PaintInvalidatorContext;
 
 class BoxPaintInvalidator {
   STACK_ALLOCATED();
 
  public:
   BoxPaintInvalidator(const LayoutBox& box,
                       const PaintInvalidatorContext& context)
       : box_(box), context_(context) {}
 
   static void BoxWillBeDestroyed(const LayoutBox&);
 
-  PaintInvalidationReason InvalidatePaintIfNeeded();
+  PaintInvalidationReason InvalidatePaint();
 
  private:
   bool BackgroundGeometryDependsOnLayoutOverflowRect();
   bool BackgroundPaintsOntoScrollingContentsLayer();
   bool ShouldFullyInvalidateBackgroundOnLayoutOverflowChange(
       const LayoutRect& old_layout_overflow,
       const LayoutRect& new_layout_overflow);
   void InvalidateScrollingContentsBackgroundIfNeeded();
 
   PaintInvalidationReason ComputePaintInvalidationReason();
 
   bool IncrementallyInvalidatePaint(PaintInvalidationReason,
                                     const LayoutRect& old_rect,
                                     const LayoutRect& new_rect);
 
   bool NeedsToSavePreviousContentBoxSizeOrLayoutOverflowRect();
   void SavePreviousBoxGeometriesIfNeeded();
 
   const LayoutBox& box_;
   const PaintInvalidatorContext& context_;
 };
 
 }  // namespace blink
 
 #endif