Reland: cc: Fix size_t to int truncations in layers/ output/ playback/ quads/

cc/quads/render_pass.cc

Index: cc/quads/render_pass.cc
diff --git a/cc/quads/render_pass.cc b/cc/quads/render_pass.cc
index 567145a82d6d12565c6a835aef264d32ba94ab9c..0cbaf2e2ae72a6c829e2e5ade0f2ca5eb2be0f4e 100644
--- a/cc/quads/render_pass.cc
+++ b/cc/quads/render_pass.cc
@@ -148,7 +148,6 @@ void RenderPass::SetNew(RenderPassId id,
                         const gfx::Rect& damage_rect,
                         const gfx::Transform& transform_to_root_target) {
   DCHECK_GT(id.layer_id, 0);
-  DCHECK_GE(id.index, 0);
   DCHECK(damage_rect.IsEmpty() || output_rect.Contains(damage_rect))
       << "damage_rect: " << damage_rect.ToString()
       << " output_rect: " << output_rect.ToString();
@@ -168,7 +167,6 @@ void RenderPass::SetAll(RenderPassId id,
                         const gfx::Transform& transform_to_root_target,
                         bool has_transparent_background) {
   DCHECK_GT(id.layer_id, 0);
-  DCHECK_GE(id.index, 0);
 
   this->id = id;
   this->output_rect = output_rect;
@@ -185,7 +183,7 @@ void RenderPass::AsValueInto(base::trace_event::TracedValue* value) const {
   MathUtil::AddToTracedValue("damage_rect", damage_rect, value);
 
   value->SetBoolean("has_transparent_background", has_transparent_background);
-  value->SetInteger("copy_requests", copy_requests.size());
+  value->SetInteger("copy_requests", static_cast<int>(copy_requests.size()));
 
   value->BeginArray("shared_quad_state_list");
   for (const auto& shared_quad_state : shared_quad_state_list) {