[cc] Add nearest neighbor filtering for TextureLayer.

cc/layers/texture_layer.cc

Index: cc/layers/texture_layer.cc
diff --git a/cc/layers/texture_layer.cc b/cc/layers/texture_layer.cc
index d53cfbe40ef7a216561cca026fb806d6d7a86620..cf1149b5161ac63a1f818d7c760cf4a938efbe74 100644
--- a/cc/layers/texture_layer.cc
+++ b/cc/layers/texture_layer.cc
@@ -27,6 +27,7 @@ TextureLayer::TextureLayer(TextureLayerClient* client)
     : Layer(),
       client_(client),
       flipped_(true),
+      nearest_neighbor_(false),
       uv_top_left_(0.f, 0.f),
       uv_bottom_right_(1.f, 1.f),
       premultiplied_alpha_(true),
@@ -65,6 +66,13 @@ void TextureLayer::SetFlipped(bool flipped) {
   SetNeedsCommit();
 }
 
+void TextureLayer::SetNearestNeighbor(bool nearest_neighbor) {
+  if (nearest_neighbor_ == nearest_neighbor)
+    return;
+  nearest_neighbor_ = nearest_neighbor;
+  SetNeedsCommit();
+}
+
 void TextureLayer::SetUV(const gfx::PointF& top_left,
                          const gfx::PointF& bottom_right) {
   if (uv_top_left_ == top_left && uv_bottom_right_ == bottom_right)
@@ -238,6 +246,7 @@ void TextureLayer::PushPropertiesTo(LayerImpl* layer) {
 
   TextureLayerImpl* texture_layer = static_cast<TextureLayerImpl*>(layer);
   texture_layer->SetFlipped(flipped_);
+  texture_layer->SetNearestNeighbor(nearest_neighbor_);
   texture_layer->SetUVTopLeft(uv_top_left_);
   texture_layer->SetUVBottomRight(uv_bottom_right_);
   texture_layer->SetVertexOpacity(vertex_opacity_);