Convert //cc from scoped_ptr to std::unique_ptr.

cc/quads/draw_quad_unittest.cc

Index: cc/quads/draw_quad_unittest.cc
diff --git a/cc/quads/draw_quad_unittest.cc b/cc/quads/draw_quad_unittest.cc
index 1059470cbd07e53dd368e3f5a3e0f6738d40b29a..8360f1ed3300a72406f83db8c37ae274d8ec232f 100644
--- a/cc/quads/draw_quad_unittest.cc
+++ b/cc/quads/draw_quad_unittest.cc
@@ -43,11 +43,11 @@ TEST(DrawQuadTest, CopySharedQuadState) {
   SkXfermode::Mode blend_mode = SkXfermode::kMultiply_Mode;
   int sorting_context_id = 65536;
 
-  scoped_ptr<SharedQuadState> state(new SharedQuadState);
+  std::unique_ptr<SharedQuadState> state(new SharedQuadState);
   state->SetAll(quad_transform, layer_bounds, visible_layer_rect, clip_rect,
                 is_clipped, opacity, blend_mode, sorting_context_id);
 
-  scoped_ptr<SharedQuadState> copy(new SharedQuadState);
+  std::unique_ptr<SharedQuadState> copy(new SharedQuadState);
   copy->CopyFrom(state.get());
   EXPECT_EQ(quad_transform, copy->quad_to_target_transform);
   EXPECT_EQ(visible_layer_rect, copy->visible_quad_layer_rect);
@@ -85,7 +85,7 @@ void CompareDrawQuad(DrawQuad* quad,
 }
 
 #define CREATE_SHARED_STATE()                                              \
-  scoped_ptr<RenderPass> render_pass = RenderPass::Create();               \
+  std::unique_ptr<RenderPass> render_pass = RenderPass::Create();          \
   SharedQuadState* shared_state(CreateSharedQuadState(render_pass.get())); \
   SharedQuadState* copy_shared_state =                                     \
       render_pass->CreateAndAppendSharedQuadState();                       \