Add CORE_EXPORT to blink::isFeatureEnabledInFrame for Feature Policy

third_party/WebKit/Source/bindings/core/v8/ConditionalFeatures.h

Index: third_party/WebKit/Source/bindings/core/v8/ConditionalFeatures.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/ConditionalFeatures.h b/third_party/WebKit/Source/bindings/core/v8/ConditionalFeatures.h
index bb81d5032e0004f7d940fd21bffb35ce35185dc8..0c9a6040f5926955d921af4e7dd5f5d96e57caba 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ConditionalFeatures.h
+++ b/third_party/WebKit/Source/bindings/core/v8/ConditionalFeatures.h
@@ -42,7 +42,8 @@ CORE_EXPORT InstallConditionalFeaturesFunction
 // when the V8 context is reused (i.e., after navigation)
 CORE_EXPORT void installPendingConditionalFeaturesOnWindow(const ScriptState*);
 
-bool isFeatureEnabledInFrame(const FeaturePolicy::Feature&, const LocalFrame*);
+CORE_EXPORT bool isFeatureEnabledInFrame(const FeaturePolicy::Feature&,
+                                         const LocalFrame*);
 
 }  // namespace blink