[cc] Add nearest neighbor filtering for PictureLayer.

cc/quads/picture_draw_quad.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/picture_draw_quad.h"
 
 #include "base/debug/trace_event_argument.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 #include "cc/resources/platform_color.h"
 
 namespace cc {
 
 PictureDrawQuad::PictureDrawQuad() {
 }
 
 PictureDrawQuad::~PictureDrawQuad() {
 }
 
 void PictureDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                              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 nearest_neighbor,
                              ResourceFormat texture_format,
                              const gfx::Rect& content_rect,
                              float contents_scale,
                              scoped_refptr<RasterSource> raster_source) {
   ContentDrawQuadBase::SetNew(
       shared_quad_state,
       DrawQuad::PICTURE_CONTENT,
       rect,
       opaque_rect,
       visible_rect,
       tex_coord_rect,
       texture_size,
-      !PlatformColor::SameComponentOrder(texture_format));
+      !PlatformColor::SameComponentOrder(texture_format),
+      nearest_neighbor);
   this->content_rect = content_rect;
   this->contents_scale = contents_scale;
   this->raster_source = raster_source;
   this->texture_format = texture_format;
 }
 
 void PictureDrawQuad::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::RectF& tex_coord_rect,
                              const gfx::Size& texture_size,
+                             bool nearest_neighbor,
                              ResourceFormat texture_format,
                              const gfx::Rect& content_rect,
                              float contents_scale,
                              scoped_refptr<RasterSource> raster_source) {
   ContentDrawQuadBase::SetAll(shared_quad_state,
                               DrawQuad::PICTURE_CONTENT,
                               rect,
                               opaque_rect,
                               visible_rect,
                               needs_blending,
                               tex_coord_rect,
                               texture_size,
                               !PlatformColor::SameComponentOrder(
-                                  texture_format));
+                                  texture_format),
+                              nearest_neighbor);
   this->content_rect = content_rect;
   this->contents_scale = contents_scale;
   this->raster_source = raster_source;
   this->texture_format = texture_format;
 }
 
 void PictureDrawQuad::IterateResources(
     const ResourceIteratorCallback& callback) {
   // TODO(danakj): Convert to TextureDrawQuad?
   NOTIMPLEMENTED();
 }
 
 const PictureDrawQuad* PictureDrawQuad::MaterialCast(const DrawQuad* quad) {
   DCHECK(quad->material == DrawQuad::PICTURE_CONTENT);
   return static_cast<const PictureDrawQuad*>(quad);
 }
 
 void PictureDrawQuad::ExtendValue(base::debug::TracedValue* value) const {
   ContentDrawQuadBase::ExtendValue(value);
   value->BeginArray("content_rect");
   MathUtil::AddToTracedValue(content_rect, value);
   value->EndArray();
   value->SetDouble("contents_scale", contents_scale);
   value->SetInteger("texture_format", texture_format);
   // TODO(piman): raster_source?
 }
 
 }  // namespace cc