Revert of Implement the script parts of custom element upgrade steps.

third_party/WebKit/Source/bindings/core/v8/V8ScriptRunner.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 423 matching lines @@
 v8::MaybeLocal<v8::Value> V8ScriptRunner::runCompiledInternalScript(v8::Isolate* isolate, v8::Local<v8::Script> script)
 {
     TRACE_EVENT0("v8", "v8.run");
     TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
     v8::MicrotasksScope microtasksScope(isolate, v8::MicrotasksScope::kDoNotRunMicrotasks);
     v8::MaybeLocal<v8::Value> result = script->Run(isolate->GetCurrentContext());
     crashIfIsolateIsDead(isolate);
     return result;
 }
 
-v8::MaybeLocal<v8::Value> V8ScriptRunner::callAsConstructor(v8::Isolate* isolate, v8::Local<v8::Object> constructor, ExecutionContext* context, int argc, v8::Local<v8::Value> argv[])
-{
-    TRACE_EVENT0("v8", "v8.callAsConstructor");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-
-    int depth = v8::MicrotasksScope::GetCurrentDepth(isolate);
-    if (depth >= kMaxRecursionDepth)
-        return v8::MaybeLocal<v8::Value>(throwStackOverflowExceptionIfNeeded(isolate));
-
-    CHECK(!context->isIteratingOverObservers());
-
-    if (ScriptForbiddenScope::isScriptForbidden()) {
-        throwScriptForbiddenException(isolate);
-        return v8::MaybeLocal<v8::Value>();
-    }
-
-    // TODO(dominicc): When inspector supports tracing object
-    // invocation, change this to use v8::Object instead of
-    // v8::Function. All callers use functions because
-    // CustomElementsRegistry#define's IDL signature is Function.
-    CHECK(constructor->IsFunction());
-    v8::Local<v8::Function> function = constructor.As<v8::Function>();
-
-    bool shouldTraceFunctionCall = !depth;
-    if (shouldTraceFunctionCall)
-        TRACE_EVENT_BEGIN1("devtools.timeline", "FunctionCall", "data", InspectorFunctionCallEvent::data(context, function));
-    v8::MicrotasksScope microtasksScope(isolate, v8::MicrotasksScope::kRunMicrotasks);
-    ThreadDebugger::willExecuteScript(isolate, function->ScriptId());
-    v8::MaybeLocal<v8::Value> result = constructor->CallAsConstructor(isolate->GetCurrentContext(), argc, argv);
-    crashIfIsolateIsDead(isolate);
-    ThreadDebugger::didExecuteScript(isolate);
-    if (shouldTraceFunctionCall)
-        TRACE_EVENT_END0("devtools.timeline", "FunctionCall");
-    return result;
-}
-
 v8::MaybeLocal<v8::Value> V8ScriptRunner::callFunction(v8::Local<v8::Function> function, ExecutionContext* context, v8::Local<v8::Value> receiver, int argc, v8::Local<v8::Value> args[], v8::Isolate* isolate)
 {
     TRACE_EVENT0("v8", "v8.callFunction");
     TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
 
     int depth = v8::MicrotasksScope::GetCurrentDepth(isolate);
     if (depth >= kMaxRecursionDepth)
         return v8::MaybeLocal<v8::Value>(throwStackOverflowExceptionIfNeeded(isolate));
 
     RELEASE_ASSERT(!context->isIteratingOverObservers());
@@ skipping 78 matching lines @@
 // Store a timestamp to the cache as hint.
 void V8ScriptRunner::setCacheTimeStamp(CachedMetadataHandler* cacheHandler)
 {
     double now = WTF::currentTime();
     unsigned tag = cacheTag(CacheTagTimeStamp, cacheHandler);
     cacheHandler->clearCachedMetadata(CachedMetadataHandler::CacheLocally);
     cacheHandler->setCachedMetadata(tag, reinterpret_cast<char*>(&now), sizeof(now), CachedMetadataHandler::SendToPlatform);
 }
 
 } // namespace blink