Add unit tests for testing Feature Policy features in frames, and for testing isFeatureEnabledForOr…

third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.h

 // Copyright 2016 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 FeaturePolicy_h
 #define FeaturePolicy_h
 
 #include "platform/PlatformExport.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/RefPtr.h"
@@ skipping 127 matching lines @@
   // the policy.
   bool isFeatureEnabled(const Feature&) const;
 
   // Returns the list of features which can be controlled by Feature Policy.
   static FeatureList& getDefaultFeatureList();
 
   String toString();
 
  private:
   friend class FeaturePolicyTest;
+  friend class FeaturePolicyInFrameTest;
 
   FeaturePolicy(RefPtr<SecurityOrigin>, FeatureList& features);
 
   static std::unique_ptr<FeaturePolicy> createFromParentPolicy(
       const FeaturePolicy* parent,
       RefPtr<SecurityOrigin>,
       FeatureList& features);
 
   RefPtr<SecurityOrigin> m_origin;
 
@@ skipping 25 matching lines @@
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kPushFeature;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kSyncScript;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kSyncXHR;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kUsermedia;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kVibrateFeature;
 extern const PLATFORM_EXPORT FeaturePolicy::Feature kWebRTC;
 
 }  // namespace blink
 
 #endif  // FeaturePolicy_h