cc: Adding support for RGBA_4444 tile textures

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index 27659e054bea869e8bcc1940036e2f5d82fead9b..02c357053585aad1d5fe86e543cd138f6b3e724d 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -891,7 +891,8 @@ size_t LayerTreeHost::CalculateMemoryForRenderSurfaces(
 
     size_t bytes =
         Resource::MemorySizeBytes(render_surface->content_rect().size(),
-                                  GL_RGBA);
+                                  GL_RGBA,
+                                  false);
     contents_texture_bytes += bytes;
 
     if (render_surface_layer->background_filters().IsEmpty())
@@ -901,7 +902,8 @@ size_t LayerTreeHost::CalculateMemoryForRenderSurfaces(
       max_background_texture_bytes = bytes;
     if (!readback_bytes) {
       readback_bytes = Resource::MemorySizeBytes(device_viewport_size_,
-                                                 GL_RGBA);
+                                                 GL_RGBA,
+                                                 false);
     }
   }
   return readback_bytes + max_background_texture_bytes + contents_texture_bytes;