Rename "paint invalidation rect" etc. to "visual rect".

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

Index: third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.h
diff --git a/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.h b/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.h
index 3106edf031d97961c91b5d19ee21aa431feab2f2..5b95d3bc43b1d20e1921b495235a6f1276ef643d 100644
--- a/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.h
+++ b/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.h
@@ -43,7 +43,7 @@ class CORE_EXPORT ObjectPaintInvalidator {
   void invalidateDisplayItemClientsIncludingNonCompositingDescendants(
       PaintInvalidationReason);
 
-  void invalidatePaintOfPreviousPaintInvalidationRect(
+  void invalidatePaintOfPreviousVisualRect(
       const LayoutBoxModelObject& paintInvalidationContainer,
       PaintInvalidationReason);
 
@@ -101,25 +101,25 @@ class ObjectPaintInvalidatorWithContext : public ObjectPaintInvalidator {
       PaintInvalidationReason);
 
   // This function tries to minimize the amount of invalidation generated by
-  // invalidating the "difference" between |m_context.oldBounds| and
-  // |m_context.newBounds|. This means invalidating the union of the previous
-  // rectangles but not their intersection. The use case is when an element only
-  // requires a paint invalidation (which means that its content didn't change)
-  // and its bounds changed but its location didn't.  If we don't meet the
-  // criteria for an incremental paint, the alternative is a full paint
-  // invalidation.  Returns true if any paint invalidation is done.
+  // invalidating the "difference" between |m_context.oldVisualRect| and
+  // |m_context.newVisualRect|. This means invalidating the union of the
+  // previous rectangles excluding their intersection. The use case is when an
+  // element only requires a paint invalidation (which means that its content
+  // didn't change) and its bounds changed but its location didn't. If we don't
+  // meet the criteria for an incremental paint, the alternative is a full paint
+  // invalidation. Returns true if any paint invalidation is done.
   bool incrementallyInvalidatePaint();
 
  private:
   void invalidateSelectionIfNeeded(PaintInvalidationReason);
 
   // This function generates a full invalidation, which means invalidating both
-  // |oldBounds| and |newBounds|.  This is the default choice when generating an
-  // invalidation, as it is always correct, albeit it may force some extra
-  // painting.
+  // |oldVisualRect| and |newVisualRect|.  This is the default choice when
+  // generating an invalidation, as it is always correct, albeit it may force
+  // some extra painting.
   void fullyInvalidatePaint(PaintInvalidationReason,
-                            const LayoutRect& oldBounds,
-                            const LayoutRect& newBounds);
+                            const LayoutRect& oldVisualRect,
+                            const LayoutRect& newVisualRect);
 
   const PaintInvalidatorContext& m_context;
 };