Lazily install origin trial features on V8 objects

third_party/WebKit/Source/bindings/core/v8/V8Binding.h

 /*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 * Copyright (C) 2012 Ericsson AB. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
@@ skipping 51 matching lines @@
 class FlexibleArrayBufferView;
 class Frame;
 class LocalDOMWindow;
 class LocalFrame;
 class NodeFilter;
 class TracedValue;
 class WorkerGlobalScope;
 class WorkerOrWorkletGlobalScope;
 class XPathNSResolver;
 
-using InstallOriginTrialsFunction = void (*)(ScriptState*);
-
 template <typename T>
 struct V8TypeOf {
     STATIC_ONLY(V8TypeOf);
     // |Type| provides C++ -> V8 type conversion for DOM wrappers.
     // The Blink binding code generator will generate specialized version of
     // V8TypeOf for each wrapper class.
     typedef void Type;
 };
 
 template<typename CallbackInfo, typename S>
@@ skipping 839 matching lines @@
         v8::Local<v8::Boolean> doneBoolean;
         if (!done->ToBoolean(context).ToLocal(&doneBoolean))
             return VectorType();
         if (doneBoolean->Value())
             break;
         result.append(NativeValueTraits<ValueType>::nativeValue(isolate, element, exceptionState));
     }
     return result;
 }
 
-// Installs all of the origin-trial-enabled V8 bindings for the given context
-// and world, based on the trial tokens which have been added to the
-// ExecutionContext. This should be called after the V8 context has been
-// installed, but may be called multiple times, as trial tokens are
-// encountered. It indirectly calls the function set by
-// |setInstallOriginTrialsFunction|.
-CORE_EXPORT void installOriginTrials(ScriptState*);
-
-// Sets the function to be called by |installOriginTrials|. The function is
-// initially set to the private |installOriginTrialsForCore| function, but
-// can be overridden by this function. A pointer to the previously set function
-// is returned, so that functions can be chained.
-CORE_EXPORT InstallOriginTrialsFunction setInstallOriginTrialsFunction(InstallOriginTrialsFunction);
-
 // If the current context causes out of memory, JavaScript setting
 // is disabled and it returns true.
 bool handleOutOfMemory();
 void crashIfIsolateIsDead(v8::Isolate*);
 
 inline bool isUndefinedOrNull(v8::Local<v8::Value> value)
 {
     return value.IsEmpty() || value->IsNull() || value->IsUndefined();
 }
 v8::Local<v8::Function> getBoundFunction(v8::Local<v8::Function>);
@@ skipping 55 matching lines @@
 typedef void (*InstallTemplateFunction)(v8::Isolate*, const DOMWrapperWorld&, v8::Local<v8::FunctionTemplate> interfaceTemplate);
 
 // Freeze a V8 object. The type of the first parameter and the return value is
 // intentionally v8::Value so that this function can wrap toV8().
 // If the argument isn't an object, this will crash.
 CORE_EXPORT v8::Local<v8::Value> freezeV8Object(v8::Local<v8::Value>, v8::Isolate*);
 
 } // namespace blink
 
 #endif // V8Binding_h