Make extensions developer mode warning controllable by experiments

chrome/browser/extensions/install_verifier.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_INSTALL_VERIFIER_H_
 #define CHROME_BROWSER_EXTENSIONS_INSTALL_VERIFIER_H_
 
 #include <queue>
 #include <set>
 #include <string>
@@ skipping 27 matching lines @@
 // written into the extension preferences and is checked for validity when
 // being read back again.
 //
 // This class should be kept notified of runtime changes to the set of
 // extensions installed from the webstore.
 class InstallVerifier : public ManagementPolicy::Provider {
  public:
   InstallVerifier(ExtensionPrefs* prefs, content::BrowserContext* context);
   ~InstallVerifier() override;
 
+  // Returns whether install verification should be enforced.
+  static bool ShouldEnforce();
+
   // Returns whether |extension| is of a type that needs verification.
   static bool NeedsVerification(const Extension& extension);
 
   // Determines if an extension claims to be from the webstore.
   static bool IsFromStore(const Extension& extension);
 
   // Initializes this object for use, including reading preferences and
   // validating the stored signature.
   void Init();
 
@@ skipping 111 matching lines @@
   ExtensionIdSet provisional_;
 
   base::WeakPtrFactory<InstallVerifier> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InstallVerifier);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_INSTALL_VERIFIER_H_