Rename InvalidatePaintIfNeeded to drop deprecated IfNeeded suffix.

third_party/WebKit/Source/core/layout/LayoutObject.h

Index: third_party/WebKit/Source/core/layout/LayoutObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.h b/third_party/WebKit/Source/core/layout/LayoutObject.h
index bddde5e67a7624be6f1bd0418a7aa290e5579a66..c726bbd57bde6cceff589c250d78bf944f2a1b3f 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.h
@@ -1707,7 +1707,7 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
   virtual LayoutRect ViewRect() const;
 
   // New version to replace the above old version.
-  virtual PaintInvalidationReason InvalidatePaintIfNeeded(
+  virtual PaintInvalidationReason InvalidatePaint(
       const PaintInvalidatorContext&) const;
 
   // When this object is invalidated for paint, this method is called to
@@ -2081,7 +2081,7 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
   // This function generates the invalidation for this object only.
   // It doesn't recurse into other object, as this is handled by
   // invalidatePaintOfSubtreesIfNeeded.
-  virtual PaintInvalidationReason InvalidatePaintIfNeeded(
+  virtual PaintInvalidationReason InvalidatePaint(
       const PaintInvalidationState&);
 
   void SetIsBackgroundAttachmentFixedObject(bool);