Remove unused RenderPassDrawQuad fields

cc/quads/render_pass_draw_quad.cc

Index: cc/quads/render_pass_draw_quad.cc
diff --git a/cc/quads/render_pass_draw_quad.cc b/cc/quads/render_pass_draw_quad.cc
index bcafb03c462ec36f41e3611a438b525691551368..aad279e64ce40e26c1cbeddfede678bfe6464720 100644
--- a/cc/quads/render_pass_draw_quad.cc
+++ b/cc/quads/render_pass_draw_quad.cc
@@ -14,7 +14,6 @@ namespace cc {
 
 RenderPassDrawQuad::RenderPassDrawQuad()
     : render_pass_id(RenderPass::Id(-1, -1)),
-      is_replica(false),
       mask_resource_id(static_cast<ResourceProvider::ResourceId>(-1)) {
 }
 
@@ -26,9 +25,7 @@ void RenderPassDrawQuad::SetNew(
     const gfx::Rect& rect,
     const gfx::Rect& visible_rect,
     RenderPass::Id render_pass_id,
-    bool is_replica,
     ResourceProvider::ResourceId mask_resource_id,
-    const gfx::Rect& contents_changed_since_last_frame,
     const gfx::RectF& mask_uv_rect,
     const FilterOperations& filters,
     const gfx::Vector2dF& filters_scale,
@@ -44,9 +41,7 @@ void RenderPassDrawQuad::SetNew(
          visible_rect,
          needs_blending,
          render_pass_id,
-         is_replica,
          mask_resource_id,
-         contents_changed_since_last_frame,
          mask_uv_rect,
          filters,
          filters_scale,
@@ -60,9 +55,7 @@ void RenderPassDrawQuad::SetAll(
     const gfx::Rect& visible_rect,
     bool needs_blending,
     RenderPass::Id render_pass_id,
-    bool is_replica,
     ResourceProvider::ResourceId mask_resource_id,
-    const gfx::Rect& contents_changed_since_last_frame,
     const gfx::RectF& mask_uv_rect,
     const FilterOperations& filters,
     const gfx::Vector2dF& filters_scale,
@@ -73,9 +66,7 @@ void RenderPassDrawQuad::SetAll(
   DrawQuad::SetAll(shared_quad_state, DrawQuad::RENDER_PASS, rect, opaque_rect,
                    visible_rect, needs_blending);
   this->render_pass_id = render_pass_id;
-  this->is_replica = is_replica;
   this->mask_resource_id = mask_resource_id;
-  this->contents_changed_since_last_frame = contents_changed_since_last_frame;
   this->mask_uv_rect = mask_uv_rect;
   this->filters = filters;
   this->filters_scale = filters_scale;
@@ -96,13 +87,8 @@ const RenderPassDrawQuad* RenderPassDrawQuad::MaterialCast(
 
 void RenderPassDrawQuad::ExtendValue(base::debug::TracedValue* value) const {
   TracedValue::SetIDRef(render_pass_id.AsTracingId(), value, "render_pass_id");
-  value->SetBoolean("is_replica", is_replica);
   value->SetInteger("mask_resource_id", mask_resource_id);
 
-  value->BeginArray("contents_changed_since_last_frame");
-  MathUtil::AddToTracedValue(contents_changed_since_last_frame, value);
-  value->EndArray();
-
   value->BeginArray("mask_uv_rect");
   MathUtil::AddToTracedValue(mask_uv_rect, value);
   value->EndArray();