Rename repaint to paintInvalidation in rendering/style.

Source/core/rendering/style/RenderStyle.h

Index: Source/core/rendering/style/RenderStyle.h
diff --git a/Source/core/rendering/style/RenderStyle.h b/Source/core/rendering/style/RenderStyle.h
index 392457d26d6c3d83fb02dd1fee92f1df76091868..af237947fd0366c2e0a4a26d5cf62e34df0fc9ee 100644
--- a/Source/core/rendering/style/RenderStyle.h
+++ b/Source/core/rendering/style/RenderStyle.h
@@ -1812,10 +1812,10 @@ private:
     void appendContent(PassOwnPtr<ContentData>);
     void addAppliedTextDecoration(const AppliedTextDecoration&);
 
-    bool diffNeedsFullLayoutAndRepaint(const RenderStyle& other) const;
+    bool diffNeedsFullLayoutAndPaintInvalidation(const RenderStyle& other) const;
     bool diffNeedsFullLayout(const RenderStyle& other) const;
-    bool diffNeedsRepaintLayer(const RenderStyle& other) const;
-    bool diffNeedsRepaintObject(const RenderStyle& other) const;
+    bool diffNeedsPaintInvalidationLayer(const RenderStyle& other) const;
+    bool diffNeedsPaintInvalidationObject(const RenderStyle& other) const;
     bool diffNeedsRecompositeLayer(const RenderStyle& other) const;
     void updatePropertySpecificDifferences(const RenderStyle& other, StyleDifference&) const;
 };