Update {virtual,override} to follow C++11 style in chrome.

chrome/installer/util/installation_validator.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_INSTALLER_UTIL_INSTALLATION_VALIDATOR_H_
 #define CHROME_INSTALLER_UTIL_INSTALLATION_VALIDATOR_H_
 
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 81 matching lines @@
     virtual void AddRenameSwitchExpectations(
         const ProductContext& ctx,
         SwitchExpectations* expectations) const = 0;
     // Return true if the rules allow usagestats setting.
     virtual bool UsageStatsAllowed(const ProductContext& ctx) const = 0;
   };
 
   // Validation rules for the Chrome browser.
   class ChromeRules : public ProductRules {
    public:
-    virtual BrowserDistribution::Type distribution_type() const override;
-    virtual void AddUninstallSwitchExpectations(
+    BrowserDistribution::Type distribution_type() const override;
+    void AddUninstallSwitchExpectations(
         const ProductContext& ctx,
         SwitchExpectations* expectations) const override;
-    virtual void AddRenameSwitchExpectations(
+    void AddRenameSwitchExpectations(
         const ProductContext& ctx,
         SwitchExpectations* expectations) const override;
-    virtual bool UsageStatsAllowed(const ProductContext& ctx) const override;
+    bool UsageStatsAllowed(const ProductContext& ctx) const override;
   };
 
   // Validation rules for Chrome Frame.
   class ChromeFrameRules : public ProductRules {
    public:
-    virtual BrowserDistribution::Type distribution_type() const override;
-    virtual void AddUninstallSwitchExpectations(
+    BrowserDistribution::Type distribution_type() const override;
+    void AddUninstallSwitchExpectations(
         const ProductContext& ctx,
         SwitchExpectations* expectations) const override;
-    virtual void AddRenameSwitchExpectations(
+    void AddRenameSwitchExpectations(
         const ProductContext& ctx,
         SwitchExpectations* expectations) const override;
-    virtual bool UsageStatsAllowed(const ProductContext& ctx) const override;
+    bool UsageStatsAllowed(const ProductContext& ctx) const override;
   };
 
   // Validation rules for the multi-install Chrome binaries.
   class ChromeBinariesRules : public ProductRules {
    public:
-    virtual BrowserDistribution::Type distribution_type() const override;
-    virtual void AddUninstallSwitchExpectations(
+    BrowserDistribution::Type distribution_type() const override;
+    void AddUninstallSwitchExpectations(
         const ProductContext& ctx,
         SwitchExpectations* expectations) const override;
-    virtual void AddRenameSwitchExpectations(
+    void AddRenameSwitchExpectations(
         const ProductContext& ctx,
         SwitchExpectations* expectations) const override;
-    virtual bool UsageStatsAllowed(const ProductContext& ctx) const override;
+    bool UsageStatsAllowed(const ProductContext& ctx) const override;
   };
 
   struct ProductContext {
     ProductContext(const InstallationState& machine_state_in,
                    bool system_install_in,
                    const ProductState& state_in,
                    const ProductRules& rules_in)
         : machine_state(machine_state_in),
           system_install(system_install_in),
           dist(BrowserDistribution::GetSpecificDistribution(
@@ skipping 61 matching lines @@
   // A collection of all valid installation types.
   static const InstallationType kInstallationTypes[];
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(InstallationValidator);
 };
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_UTIL_INSTALLATION_VALIDATOR_H_