Rename ScrollOffsetFractionalPart to ScrollCompensationAdjustment

cc/layers/layer_impl.h

Index: cc/layers/layer_impl.h
diff --git a/cc/layers/layer_impl.h b/cc/layers/layer_impl.h
index 9f7eadc5fe0ac1191a7b051ddd2e6b68a3e5683e..883f8244e3c9baf2b7b909f0cb538ab1eb43e3a9 100644
--- a/cc/layers/layer_impl.h
+++ b/cc/layers/layer_impl.h
@@ -401,11 +401,11 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
   void SetScrollDelta(const gfx::Vector2dF& scroll_delta);
   gfx::Vector2dF ScrollDelta() const;
 
-  void SetMainScrollOffsetFractionalPart(const gfx::Vector2dF& scroll_offset) {
-    main_scroll_offset_fractional_part_ = scroll_offset;
+  void SetScrollCompensationAdjustment(const gfx::Vector2dF& scroll_offset) {
+    scroll_compensation_adjustment_ = scroll_offset;
   }
-  gfx::Vector2dF MainScrollOffsetFractionalPart() const {
-    return main_scroll_offset_fractional_part_;
+  gfx::Vector2dF ScrollCompensationAdjustment() const {
+    return scroll_compensation_adjustment_;
   }
 
   gfx::ScrollOffset TotalScrollOffset() const;
@@ -682,7 +682,7 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
   gfx::Vector2dF sent_scroll_delta_;
   gfx::ScrollOffset last_scroll_offset_;
 
-  gfx::Vector2dF main_scroll_offset_fractional_part_;
+  gfx::Vector2dF scroll_compensation_adjustment_;
 
   int num_descendants_that_draw_content_;