chrome: Use stl utilities from the base namespace

chrome/browser/shell_integration_linux_unittest.cc

 // Copyright 2013 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/shell_integration_linux.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cstdlib>
@@ skipping 28 matching lines @@
 // Provides mock environment variables values based on a stored map.
 class MockEnvironment : public base::Environment {
  public:
   MockEnvironment() {}
 
   void Set(base::StringPiece name, const std::string& value) {
     variables_[name.as_string()] = value;
   }
 
   bool GetVar(base::StringPiece variable_name, std::string* result) override {
-    if (ContainsKey(variables_, variable_name.as_string())) {
+    if (base::ContainsKey(variables_, variable_name.as_string())) {
       *result = variables_[variable_name.as_string()];
       return true;
     }
 
     return false;
   }
 
   bool SetVar(base::StringPiece variable_name,
               const std::string& new_value) override {
     ADD_FAILURE();
@@ skipping 604 matching lines @@
   EXPECT_EQ("baR", internal::GetProgramClassClass(command_line, "foo.desktop"));
 
   command_line = base::CommandLine(base::FilePath());
   command_line.AppendSwitchASCII("user-data-dir", "/tmp/baz");
   EXPECT_EQ("foo (/tmp/baz)",
             internal::GetProgramClassName(command_line, "foo.desktop"));
   EXPECT_EQ("Foo", internal::GetProgramClassClass(command_line, "foo.desktop"));
 }
 
 }  // namespace shell_integration_linux