[Extensions Toolbar] Add a finch config for the redesign

chrome/browser/ui/toolbar/browser_actions_bar_browsertest.h

 // Copyright 2014 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_UI_TOOLBAR_BROWSER_ACTIONS_BAR_BROWSERTEST_H_
 #define CHROME_BROWSER_UI_TOOLBAR_BROWSER_ACTIONS_BAR_BROWSERTEST_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 30 matching lines @@
   const extensions::Extension* extension_a() const {
     return extension_a_.get();
   }
   const extensions::Extension* extension_b() const {
     return extension_b_.get();
   }
   const extensions::Extension* extension_c() const {
     return extension_c_.get();
   }
 
- private:
+ protected:
   scoped_ptr<BrowserActionTestUtil> browser_actions_bar_;
 
   // The associated toolbar model, weak.
   ToolbarActionsModel* toolbar_model_;
 
   // Extensions with browser actions used for testing.
   scoped_refptr<const extensions::Extension> extension_a_;
   scoped_refptr<const extensions::Extension> extension_b_;
   scoped_refptr<const extensions::Extension> extension_c_;

[Finnur, 2015/09/22 14:18:32]

Do all these need to be protected as well?

[Devlin, 2015/09/23 00:28:35]

Probably not. :)  Done.

 
+  // Enable or disable the feature redesign switch.
+  scoped_ptr<extensions::FeatureSwitch::ScopedOverride> override_redesign_;
+
+ private:
   DISALLOW_COPY_AND_ASSIGN(BrowserActionsBarBrowserTest);
 };
 
 // A test with the extension-action-redesign switch enabled.
 class BrowserActionsBarRedesignBrowserTest
     : public BrowserActionsBarBrowserTest {
  protected:
   BrowserActionsBarRedesignBrowserTest();
   ~BrowserActionsBarRedesignBrowserTest() override;
 
   void SetUpCommandLine(base::CommandLine* command_line) override;
 
  private:
-  // Enable the feature redesign switch.
-  scoped_ptr<extensions::FeatureSwitch::ScopedOverride> enable_redesign_;
-
   DISALLOW_COPY_AND_ASSIGN(BrowserActionsBarRedesignBrowserTest);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_BROWSER_ACTIONS_BAR_BROWSERTEST_H_