[cc] Add nearest neighbor filtering for PictureLayer.

cc/quads/content_draw_quad_base.cc

 // Copyright 2013 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/content_draw_quad_base.h"
 
 #include "base/debug/trace_event_argument.h"
 #include "base/logging.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 
 namespace cc {
 
 ContentDrawQuadBase::ContentDrawQuadBase()
     : swizzle_contents(false) {
 }
 
 ContentDrawQuadBase::~ContentDrawQuadBase() {
 }
 
 void ContentDrawQuadBase::SetNew(const SharedQuadState* shared_quad_state,
                                  DrawQuad::Material material,
                                  const gfx::Rect& rect,
                                  const gfx::Rect& opaque_rect,
                                  const gfx::Rect& visible_rect,
                                  const gfx::RectF& tex_coord_rect,
                                  const gfx::Size& texture_size,
-                                 bool swizzle_contents) {
+                                 bool swizzle_contents,
+                                 bool nearest_neighbor) {
   bool needs_blending = false;
   DrawQuad::SetAll(shared_quad_state, material, rect, opaque_rect,
                    visible_rect, needs_blending);
   this->tex_coord_rect = tex_coord_rect;
   this->texture_size = texture_size;
   this->swizzle_contents = swizzle_contents;
+  this->nearest_neighbor = nearest_neighbor;
 }
 
 void ContentDrawQuadBase::SetAll(const SharedQuadState* shared_quad_state,
                                  DrawQuad::Material material,
                                  const gfx::Rect& rect,
                                  const gfx::Rect& opaque_rect,
                                  const gfx::Rect& visible_rect,
                                  bool needs_blending,
                                  const gfx::RectF& tex_coord_rect,
                                  const gfx::Size& texture_size,
-                                 bool swizzle_contents) {
+                                 bool swizzle_contents,
+                                 bool nearest_neighbor) {
   DrawQuad::SetAll(shared_quad_state, material, rect, opaque_rect,
                    visible_rect, needs_blending);
   this->tex_coord_rect = tex_coord_rect;
   this->texture_size = texture_size;
   this->swizzle_contents = swizzle_contents;
+  this->nearest_neighbor = nearest_neighbor;
 }
 
 void ContentDrawQuadBase::ExtendValue(base::debug::TracedValue* value) const {
   value->BeginArray("tex_coord_rect");
   MathUtil::AddToTracedValue(tex_coord_rect, value);
   value->EndArray();
 
   value->BeginDictionary("texture_size");
   MathUtil::AddToTracedValue(texture_size, value);
   value->EndDictionary();
 
   value->SetBoolean("swizzle_contents", swizzle_contents);
+  value->SetBoolean("nearest_neighbor", nearest_neighbor);
 }
 
 }  // namespace cc