Use custom ListContainer to allocate DrawQuads

cc/output/overlay_strategy_single_on_top.cc

Index: cc/output/overlay_strategy_single_on_top.cc
diff --git a/cc/output/overlay_strategy_single_on_top.cc b/cc/output/overlay_strategy_single_on_top.cc
index 64ebf7c5c5e7b4cec738e427e9256ff2ab6e54c1..6ac96b2d7a442bb7aa611c0b8042b76f0ff468cd 100644
--- a/cc/output/overlay_strategy_single_on_top.cc
+++ b/cc/output/overlay_strategy_single_on_top.cc
@@ -28,9 +28,9 @@ bool OverlayStrategySingleOnTop::Attempt(
   DCHECK(root_render_pass);
 
   QuadList& quad_list = root_render_pass->quad_list;
-  QuadList::iterator candidate_iterator = quad_list.end();
-  for (QuadList::iterator it = quad_list.begin(); it != quad_list.end(); ++it) {
-    const DrawQuad* draw_quad = *it;
+  QuadList::Iterator candidate_iterator = quad_list.end();
+  for (QuadList::Iterator it = quad_list.begin(); it != quad_list.end(); ++it) {
+    const DrawQuad* draw_quad = &*it;
     if (draw_quad->material == DrawQuad::TEXTURE_CONTENT) {
       const TextureDrawQuad& quad = *TextureDrawQuad::MaterialCast(draw_quad);
       if (!resource_provider_->AllowOverlay(quad.resource_id)) {
@@ -40,11 +40,11 @@ bool OverlayStrategySingleOnTop::Attempt(
       bool intersects = false;
       gfx::RectF rect = draw_quad->rect;
       draw_quad->quadTransform().TransformRect(&rect);
-      for (QuadList::iterator overlap_iter = quad_list.begin();
+      for (QuadList::Iterator overlap_iter = quad_list.begin();
            overlap_iter != it;
            ++overlap_iter) {
-        gfx::RectF overlap_rect = (*overlap_iter)->rect;
-        (*overlap_iter)->quadTransform().TransformRect(&overlap_rect);
+        gfx::RectF overlap_rect = overlap_iter->rect;
+        overlap_iter->quadTransform().TransformRect(&overlap_rect);
         if (rect.Intersects(overlap_rect)) {
           intersects = true;
           break;
@@ -59,7 +59,7 @@ bool OverlayStrategySingleOnTop::Attempt(
   if (candidate_iterator == quad_list.end())
     return false;
   const TextureDrawQuad& quad =
-      *TextureDrawQuad::MaterialCast(*candidate_iterator);
+      *TextureDrawQuad::MaterialCast(&*candidate_iterator);
 
   // Simple quads only.
   gfx::OverlayTransform overlay_transform =
@@ -94,7 +94,7 @@ bool OverlayStrategySingleOnTop::Attempt(
 
   // If the candidate can be handled by an overlay, create a pass for it.
   if (candidates[1].overlay_handled) {
-    quad_list.erase(candidate_iterator);
+    quad_list.EraseAndInvalidateAllPointers(candidate_iterator);
     candidate_list->swap(candidates);
     return true;
   }