Rename InvalidatePaintIfNeeded to drop deprecated IfNeeded suffix.

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

 // Copyright 2017 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/ViewPaintInvalidator.h"
 
 #include "core/layout/LayoutView.h"
 #include "core/paint/BoxPaintInvalidator.h"
 #include "platform/geometry/LayoutSize.h"
 
 namespace blink {
 
-PaintInvalidationReason ViewPaintInvalidator::InvalidatePaintIfNeeded() {
+PaintInvalidationReason ViewPaintInvalidator::InvalidatePaint() {
   InvalidateBackgroundIfNeeded();
-  return BoxPaintInvalidator(view_, context_).InvalidatePaintIfNeeded();
+  return BoxPaintInvalidator(view_, context_).InvalidatePaint();
 }
 
 void ViewPaintInvalidator::InvalidateBackgroundIfNeeded() {
   // Fixed attachment background is handled in LayoutView::layout().
   // TODO(wangxianzhu): Combine code for fixed-attachment background when we
   // enable rootLayerScrolling permanently.
   if (view_.StyleRef().HasEntirelyFixedBackground())
     return;
 
   // LayoutView's non-fixed-attachment background is positioned in the
@@ skipping 15 matching lines @@
            background_layers)) ||
       (old_size.Height() != new_size.Height() &&
        LayoutBox::MustInvalidateFillLayersPaintOnHeightChange(
            background_layers))) {
     view_.GetMutableForPainting().SetShouldDoFullPaintInvalidation(
         kPaintInvalidationViewBackground);
   }
 }
 
 }  // namespace blink