[#7] Pass gfx structs by const ref (gfx::Size)

cc/quads/content_draw_quad_base.cc

Index: cc/quads/content_draw_quad_base.cc
diff --git a/cc/quads/content_draw_quad_base.cc b/cc/quads/content_draw_quad_base.cc
index ca81cf47b06ec8785bc8256b388d8fa641038396..a802b19577bd09b1648fc877bc5bd1f554c98180 100644
--- a/cc/quads/content_draw_quad_base.cc
+++ b/cc/quads/content_draw_quad_base.cc
@@ -22,7 +22,7 @@ void ContentDrawQuadBase::SetNew(const SharedQuadState* shared_quad_state,
                                  const gfx::Rect& rect,
                                  const gfx::Rect& opaque_rect,
                                  const gfx::RectF& tex_coord_rect,
-                                 gfx::Size texture_size,
+                                 const gfx::Size& texture_size,
                                  bool swizzle_contents) {
   gfx::Rect visible_rect = rect;
   bool needs_blending = false;
@@ -40,7 +40,7 @@ void ContentDrawQuadBase::SetAll(const SharedQuadState* shared_quad_state,
                                  const gfx::Rect& visible_rect,
                                  bool needs_blending,
                                  const gfx::RectF& tex_coord_rect,
-                                 gfx::Size texture_size,
+                                 const gfx::Size& texture_size,
                                  bool swizzle_contents) {
   DrawQuad::SetAll(shared_quad_state, material, rect, opaque_rect,
                    visible_rect, needs_blending);