cc: Change CallFunctionForSubtree to use lambdas.

cc/debug/debug_rect_history.cc

Index: cc/debug/debug_rect_history.cc
diff --git a/cc/debug/debug_rect_history.cc b/cc/debug/debug_rect_history.cc
index a8c50306134a3e8990c3198cf24b470235990772..473cf9009efc99d54aacd136eeb18a2d0d544270 100644
--- a/cc/debug/debug_rect_history.cc
+++ b/cc/debug/debug_rect_history.cc
@@ -185,10 +185,9 @@ void DebugRectHistory::SaveNonOccludingRects(
 }
 
 void DebugRectHistory::SaveTouchEventHandlerRects(LayerImpl* layer) {
-  LayerTreeHostCommon::CallFunctionForSubtree<LayerImpl>(
-      layer,
-      base::Bind(&DebugRectHistory::SaveTouchEventHandlerRectsCallback,
-                 base::Unretained(this)));
+  LayerTreeHostCommon::CallFunctionForSubtree(layer, [this](LayerImpl* layer) {
+    SaveTouchEventHandlerRectsCallback(layer);
+  });
 }
 
 void DebugRectHistory::SaveTouchEventHandlerRectsCallback(LayerImpl* layer) {
@@ -205,10 +204,9 @@ void DebugRectHistory::SaveTouchEventHandlerRectsCallback(LayerImpl* layer) {
 }
 
 void DebugRectHistory::SaveWheelEventHandlerRects(LayerImpl* layer) {
-  LayerTreeHostCommon::CallFunctionForSubtree<LayerImpl>(
-      layer,
-      base::Bind(&DebugRectHistory::SaveWheelEventHandlerRectsCallback,
-                 base::Unretained(this)));
+  LayerTreeHostCommon::CallFunctionForSubtree(layer, [this](LayerImpl* layer) {
+    SaveWheelEventHandlerRectsCallback(layer);
+  });
 }
 
 void DebugRectHistory::SaveWheelEventHandlerRectsCallback(LayerImpl* layer) {
@@ -226,10 +224,9 @@ void DebugRectHistory::SaveWheelEventHandlerRectsCallback(LayerImpl* layer) {
 }
 
 void DebugRectHistory::SaveScrollEventHandlerRects(LayerImpl* layer) {
-  LayerTreeHostCommon::CallFunctionForSubtree<LayerImpl>(
-      layer,
-      base::Bind(&DebugRectHistory::SaveScrollEventHandlerRectsCallback,
-                 base::Unretained(this)));
+  LayerTreeHostCommon::CallFunctionForSubtree(layer, [this](LayerImpl* layer) {
+    SaveScrollEventHandlerRectsCallback(layer);
+  });
 }
 
 void DebugRectHistory::SaveScrollEventHandlerRectsCallback(LayerImpl* layer) {
@@ -247,10 +244,9 @@ void DebugRectHistory::SaveScrollEventHandlerRectsCallback(LayerImpl* layer) {
 }
 
 void DebugRectHistory::SaveNonFastScrollableRects(LayerImpl* layer) {
-  LayerTreeHostCommon::CallFunctionForSubtree<LayerImpl>(
-      layer,
-      base::Bind(&DebugRectHistory::SaveNonFastScrollableRectsCallback,
-                 base::Unretained(this)));
+  LayerTreeHostCommon::CallFunctionForSubtree(layer, [this](LayerImpl* layer) {
+    SaveNonFastScrollableRectsCallback(layer);
+  });
 }
 
 void DebugRectHistory::SaveNonFastScrollableRectsCallback(LayerImpl* layer) {