Revert of Splitting of layers for correct intersections

cc/quads/draw_quad.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/quads/draw_quad.h"
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 #include "cc/debug/traced_value.h"
 #include "cc/quads/checkerboard_draw_quad.h"
 #include "cc/quads/debug_border_draw_quad.h"
 #include "cc/quads/io_surface_draw_quad.h"
 #include "cc/quads/picture_draw_quad.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/stream_video_draw_quad.h"
 #include "cc/quads/surface_draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
 #include "cc/quads/tile_draw_quad.h"
 #include "cc/quads/yuv_video_draw_quad.h"
 #include "ui/gfx/geometry/quad_f.h"
 
 namespace cc {
 
 DrawQuad::DrawQuad()
-    : material(INVALID), needs_blending(false), shared_quad_state(0) {
+    : material(INVALID),
+      needs_blending(false),
+      shared_quad_state() {
 }
 
 void DrawQuad::SetAll(const SharedQuadState* shared_quad_state,
                       Material material,
                       const gfx::Rect& rect,
                       const gfx::Rect& opaque_rect,
                       const gfx::Rect& visible_rect,
                       bool needs_blending) {
   DCHECK(rect.Contains(visible_rect)) << "rect: " << rect.ToString()
                                       << " visible_rect: "
@@ skipping 56 matching lines @@
                              visible_rect_as_target_space_quad, value);
 
   value->SetBoolean("visible_rect_is_clipped", visible_rect_is_clipped);
 
   value->SetBoolean("needs_blending", needs_blending);
   value->SetBoolean("should_draw_with_blending", ShouldDrawWithBlending());
   ExtendValue(value);
 }
 
 }  // namespace cc