Lazily install origin trial features on V8 objects

third_party/WebKit/Source/bindings/core/v8/V8PerContextData.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V8PerContextData.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.cpp b/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.cpp
index d34f37863f2125746c52915f0ed8b6465008e308..f349d2e8141033e08eea46cab56873bf64ad70ef 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.cpp
@@ -30,6 +30,7 @@
 
 #include "bindings/core/v8/V8PerContextData.h"
 
+#include "bindings/core/v8/ConditionalFeatures.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8ObjectConstructor.h"
@@ -130,6 +131,9 @@ v8::Local<v8::Function> V8PerContextData::constructorForTypeSlowCase(const Wrapp
             return v8::Local<v8::Function>();
     }
 
+    // Origin Trials
+    installConditionalFeatures(type, ScriptState::from(currentContext), prototypeObject, interfaceObject);
+
     m_constructorMap.Set(type, interfaceObject);
 
     return interfaceObject;