Eagerly install Origin Trial features on window

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 5ea8544eccf4b7db47454457aea0f934868a9f21..bb81d5032e0004f7d940fd21bffb35ce35185dc8 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ConditionalFeatures.h
+++ b/third_party/WebKit/Source/bindings/core/v8/ConditionalFeatures.h
@@ -36,6 +36,12 @@ CORE_EXPORT void installConditionalFeatures(const WrapperTypeInfo*,
 CORE_EXPORT InstallConditionalFeaturesFunction
     setInstallConditionalFeaturesFunction(InstallConditionalFeaturesFunction);
 
+// Installs all of the conditionally enabled V8 bindings on the Window object.
+// This is called separately from other objects so that attributes and
+// interfaces which need to be visible on the global object are installed even
+// when the V8 context is reused (i.e., after navigation)
+CORE_EXPORT void installPendingConditionalFeaturesOnWindow(const ScriptState*);
+
 bool isFeatureEnabledInFrame(const FeaturePolicy::Feature&, const LocalFrame*);
 
 }  // namespace blink