Make callers of CommandLine use it via the base:: namespace.

chrome/browser/diagnostics/diagnostics_model_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 "chrome/browser/diagnostics/diagnostics_model.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace diagnostics {
 
 // Basic harness to acquire and release the Diagnostic model object.
 class DiagnosticsModelTest : public testing::Test {
  protected:
-  DiagnosticsModelTest()
-      : cmdline_(CommandLine::NO_PROGRAM) {
-  }
+  DiagnosticsModelTest() : cmdline_(base::CommandLine::NO_PROGRAM) {}
 
   ~DiagnosticsModelTest() override {}
 
   void SetUp() override {
     model_.reset(MakeDiagnosticsModel(cmdline_));
     ASSERT_TRUE(model_.get() != NULL);
   }
 
   void TearDown() override { model_.reset(); }
 
   scoped_ptr<DiagnosticsModel> model_;
-  CommandLine cmdline_;
+  base::CommandLine cmdline_;
 
   DISALLOW_COPY_AND_ASSIGN(DiagnosticsModelTest);
 };
 
 // The test observer is used to know if the callbacks are being called.
 class UTObserver: public DiagnosticsModel::Observer {
  public:
   UTObserver()
       : tests_done_(false),
         recovery_done_(false),
@@ skipping 59 matching lines @@
   EXPECT_TRUE(observer.tests_done());
   EXPECT_FALSE(observer.recovery_done());
   model_->RecoverAll(&observer);
   EXPECT_TRUE(observer.recovery_done());
   EXPECT_EQ(DiagnosticsModel::kDiagnosticsTestCount, model_->GetTestRunCount());
   EXPECT_EQ(DiagnosticsModel::kDiagnosticsTestCount, observer.num_tested());
   EXPECT_EQ(DiagnosticsModel::kDiagnosticsTestCount, observer.num_recovered());
 }
 
 }  // namespace diagnostics