cc: Remove redundant is_overlay arguments

cc/quads/io_surface_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/io_surface_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"
 
 namespace cc {
 
-IOSurfaceDrawQuad::IOSurfaceDrawQuad()
-    : orientation(FLIPPED), allow_overlay(false) {
-}
+IOSurfaceDrawQuad::IOSurfaceDrawQuad() : orientation(FLIPPED) {}
 
 void IOSurfaceDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                                const gfx::Rect& rect,
                                const gfx::Rect& opaque_rect,
                                const gfx::Rect& visible_rect,
                                const gfx::Size& io_surface_size,
                                unsigned io_surface_resource_id,
-                               Orientation orientation,
-                               bool allow_overlay) {
+                               Orientation orientation) {
   bool needs_blending = false;
   DrawQuad::SetAll(shared_quad_state, DrawQuad::IO_SURFACE_CONTENT, rect,
                    opaque_rect, visible_rect, needs_blending);
   this->io_surface_size = io_surface_size;
   resources.ids[kIOSurfaceResourceIdIndex] = io_surface_resource_id;
   resources.count = 1;
   this->orientation = orientation;
-  this->allow_overlay = allow_overlay;
 }
 
 void IOSurfaceDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
                                const gfx::Rect& rect,
                                const gfx::Rect& opaque_rect,
                                const gfx::Rect& visible_rect,
                                bool needs_blending,
                                const gfx::Size& io_surface_size,
                                unsigned io_surface_resource_id,
-                               Orientation orientation,
-                               bool allow_overlay) {
+                               Orientation orientation) {
   DrawQuad::SetAll(shared_quad_state, DrawQuad::IO_SURFACE_CONTENT, rect,
                    opaque_rect, visible_rect, needs_blending);
   this->io_surface_size = io_surface_size;
   resources.ids[kIOSurfaceResourceIdIndex] = io_surface_resource_id;
   resources.count = 1;
   this->orientation = orientation;
-  this->allow_overlay = allow_overlay;
 }
 
 const IOSurfaceDrawQuad* IOSurfaceDrawQuad::MaterialCast(
     const DrawQuad* quad) {
   DCHECK(quad->material == DrawQuad::IO_SURFACE_CONTENT);
   return static_cast<const IOSurfaceDrawQuad*>(quad);
 }
 
 void IOSurfaceDrawQuad::ExtendValue(
     base::trace_event::TracedValue* value) const {
   MathUtil::AddToTracedValue("io_surface_size", io_surface_size, value);
 
   value->SetInteger("io_surface_resource_id",
                     resources.ids[kIOSurfaceResourceIdIndex]);
   const char* orientation_string = NULL;
   switch (orientation) {
     case FLIPPED:
       orientation_string = "flipped";
       break;
     case UNFLIPPED:
       orientation_string = "unflipped";
       break;
   }
 
   value->SetString("orientation", orientation_string);
 }
 
 }  // namespace cc