Make operators on scoped_ptr match the ones defined for std::unique_ptr

cc/trees/damage_tracker_unittest.cc

 // Copyright 2011 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/trees/damage_tracker.h"
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/output/filter_operation.h"
 #include "cc/output/filter_operations.h"
@@ skipping 1366 matching lines @@
 }
 
 TEST_F(DamageTrackerTest, VerifyDamageForEmptyLayerList) {
   // Though it should never happen, its a good idea to verify that the damage
   // tracker does not crash when it receives an empty layer_list.
 
   scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl_.active_tree(), 1);
   root->SetHasRenderSurface(true);
   root->draw_properties().render_target = root.get();
 
-  ASSERT_TRUE(root == root->render_target());
+  ASSERT_EQ(root.get(), root->render_target());
   RenderSurfaceImpl* target_surface = root->render_surface();
 
   LayerImplList empty_list;
   target_surface->damage_tracker()->UpdateDamageTrackingState(
       empty_list,
       target_surface->OwningLayerId(),
       false,
       gfx::Rect(),
       NULL,
       FilterOperations());
@@ skipping 68 matching lines @@
     gfx::Rect root_damage_rect =
         root->render_surface()->damage_tracker()->current_damage_rect();
     gfx::Rect damage_we_care_about = gfx::Rect(i, i);
     EXPECT_LE(damage_we_care_about.right(), root_damage_rect.right());
     EXPECT_LE(damage_we_care_about.bottom(), root_damage_rect.bottom());
   }
 }
 
 }  // namespace
 }  // namespace cc