Add way for PermissionContext to be automatically restricted to secure origins.

chrome/browser/content_settings/permission_context_base_unittest.cc

 // 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.
 
 #include "chrome/browser/content_settings/permission_context_base.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "chrome/browser/content_settings/permission_queue_controller.h"
 #include "chrome/browser/infobars/infobar_service.h"
@@ skipping 42 matching lines @@
     permission_granted_ = content_setting == CONTENT_SETTING_ALLOW;
   }
 
  protected:
   void UpdateTabContext(const PermissionRequestID& id,
                         const GURL& requesting_origin,
                         bool allowed) override {
     tab_context_updated_ = true;
   }
 
+  bool IsRestrictedToSecureOrigins() const override {
+    return false;
+  }
+
  private:
    bool permission_set_;
    bool permission_granted_;
    bool tab_context_updated_;
 };
 
 class PermissionContextBaseTests : public ChromeRenderViewHostTestHarness {
  protected:
   PermissionContextBaseTests() {}
 
@@ skipping 212 matching lines @@
 #endif
   TestGrantAndRevoke_TestContent(CONTENT_SETTINGS_TYPE_MIDI_SYSEX,
                                  CONTENT_SETTING_ASK);
   TestGrantAndRevoke_TestContent(CONTENT_SETTINGS_TYPE_PUSH_MESSAGING,
                                  CONTENT_SETTING_ASK);
 #if defined(OS_ANDROID)
   TestGrantAndRevoke_TestContent(
       CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER, CONTENT_SETTING_ASK);
 #endif
 }