base: Use std::move() instead of Pass() for real movable types.

base/environment_unittest.cc

 // Copyright (c) 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 "base/environment.h"
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 typedef PlatformTest EnvironmentTest;
@@ skipping 111 matching lines @@
 }
 
 #else
 
 TEST_F(EnvironmentTest, AlterEnvironment) {
   const char* const empty[] = { NULL };
   const char* const a2[] = { "A=2", NULL };
   EnvironmentMap changes;
   scoped_ptr<char*[]> e;
 
-  e = AlterEnvironment(empty, changes).Pass();
+  e = AlterEnvironment(empty, changes);
   EXPECT_TRUE(e[0] == NULL);
 
   changes["A"] = "1";
   e = AlterEnvironment(empty, changes);
   EXPECT_EQ(std::string("A=1"), e[0]);
   EXPECT_TRUE(e[1] == NULL);
 
   changes.clear();
   changes["A"] = std::string();
   e = AlterEnvironment(empty, changes);
@@ skipping 12 matching lines @@
 
   changes.clear();
   changes["A"] = std::string();
   e = AlterEnvironment(a2, changes);
   EXPECT_TRUE(e[0] == NULL);
 }
 
 #endif
 
 }  // namespace base