Made Blink aware of top controls offset (Chromium-side)

cc/trees/layer_tree_host_unittest_scroll.cc

Index: cc/trees/layer_tree_host_unittest_scroll.cc
diff --git a/cc/trees/layer_tree_host_unittest_scroll.cc b/cc/trees/layer_tree_host_unittest_scroll.cc
index 05e210917f1530a7d5f65a75e81c2c4441a962cc..3489a0e79c6cae92f6d562efd0d09ab6062785f4 100644
--- a/cc/trees/layer_tree_host_unittest_scroll.cc
+++ b/cc/trees/layer_tree_host_unittest_scroll.cc
@@ -86,8 +86,9 @@ class LayerTreeHostScrollTestScrollSimple : public LayerTreeHostScrollTest {
     }
   }
 
-  virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
-                                   float scale) OVERRIDE {
+  virtual void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
+                                   float scale,
+                                   float top_controls_delta) OVERRIDE {
     num_scrolls_++;
   }
 
@@ -170,8 +171,9 @@ class LayerTreeHostScrollTestScrollMultipleRedraw
     }
   }
 
-  virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
-                                   float scale) OVERRIDE {
+  virtual void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
+                                   float scale,
+                                   float top_controls_delta) OVERRIDE {
     num_scrolls_++;
   }
 
@@ -342,8 +344,9 @@ class LayerTreeHostScrollTestScrollAbortedCommit
     }
   }
 
-  virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
-                                   float scale) OVERRIDE {
+  virtual void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
+                                   float scale,
+                                   float top_controls_delta) OVERRIDE {
     num_impl_scrolls_++;
   }
 
@@ -513,8 +516,9 @@ class LayerTreeHostScrollTestCaseWithChild : public LayerTreeHostScrollTest {
     final_scroll_offset_ = expected_scroll_layer_->scroll_offset();
   }
 
-  virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
-                                   float scale) OVERRIDE {
+  virtual void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
+                                   float scale,
+                                   float top_controls_delta) OVERRIDE {
     num_scrolls_++;
   }
 
@@ -851,8 +855,9 @@ class ImplSidePaintingScrollTestSimple : public ImplSidePaintingScrollTest {
     }
   }
 
-  virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
-                                   float scale) OVERRIDE {
+  virtual void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
+                                   float scale,
+                                   float top_controls_delta) OVERRIDE {
     num_scrolls_++;
   }