Move ScriptState::forWorld/ScriptState::forMainWorld (Part 1)

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

 /*
  * Copyright (C) 2006, 2007, 2008, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 768 matching lines @@
   v8::Local<v8::ArrayBufferView> buffer = value.As<v8::ArrayBufferView>();
   if (!storage) {
     result.setFull(V8ArrayBufferView::toImpl(buffer));
     return;
   }
   size_t length = buffer->ByteLength();
   buffer->CopyContents(storage, length);
   result.setSmall(storage, length);
 }
 
+static ScriptState* toScriptStateImpl(LocalFrame* frame,
+                                      DOMWrapperWorld& world) {
+  if (!frame)
+    return nullptr;
+  v8::Local<v8::Context> context = toV8ContextEvenIfDetached(frame, world);
+  if (context.IsEmpty())
+    return nullptr;
+  ScriptState* scriptState = ScriptState::from(context);
+  if (!scriptState->contextIsValid())
+    return nullptr;
+  DCHECK_EQ(frame, toLocalFrameIfNotDetached(context));
+  return scriptState;
+}
+
 v8::Local<v8::Context> toV8Context(ExecutionContext* context,
                                    DOMWrapperWorld& world) {
   ASSERT(context);
   if (context->isDocument()) {
     if (LocalFrame* frame = toDocument(context)->frame())
       return toV8Context(frame, world);
   } else if (context->isWorkerGlobalScope()) {
     if (WorkerOrWorkletScriptController* script =
             toWorkerOrWorkletGlobalScope(context)->scriptController()) {
       if (script->getScriptState()->contextIsValid())
         return script->getScriptState()->context();
     }
   }
   return v8::Local<v8::Context>();
 }
 
 v8::Local<v8::Context> toV8Context(LocalFrame* frame, DOMWrapperWorld& world) {
-  if (!frame)
+  ScriptState* scriptState = toScriptStateImpl(frame, world);
+  if (!scriptState)
     return v8::Local<v8::Context>();
-  v8::Local<v8::Context> context = toV8ContextEvenIfDetached(frame, world);
-  if (context.IsEmpty())
-    return v8::Local<v8::Context>();
-  ScriptState* scriptState = ScriptState::from(context);
-  if (scriptState->contextIsValid()) {
-    DCHECK_EQ(frame, toLocalFrameIfNotDetached(context));
-    return scriptState->context();
-  }
-  return v8::Local<v8::Context>();
+  return scriptState->context();
 }
 
 v8::Local<v8::Context> toV8ContextEvenIfDetached(LocalFrame* frame,
                                                  DOMWrapperWorld& world) {
   ASSERT(frame);
   return frame->windowProxy(world)->contextIfInitialized();
 }
 
+ScriptState* toScriptState(LocalFrame* frame, DOMWrapperWorld& world) {
+  v8::HandleScope handleScope(toIsolate(frame));
+  return toScriptStateImpl(frame, world);
+}
+
+ScriptState* toScriptStateForMainWorld(LocalFrame* frame) {
+  return toScriptState(frame, DOMWrapperWorld::mainWorld());
+}
+
 bool isValidEnum(const String& value,
                  const char** validValues,
                  size_t length,
                  const String& enumName,
                  ExceptionState& exceptionState) {
   for (size_t i = 0; i < length; ++i) {
     // Avoid the strlen inside String::operator== (because of the StringView).
     if (WTF::equal(value.impl(), validValues[i]))
       return true;
   }
@@ skipping 137 matching lines @@
   if (!v8Call(v8::JSON::Parse(isolate, v8String(isolate, stringifiedJSON)),
               parsed, tryCatch)) {
     if (tryCatch.HasCaught())
       exceptionState.rethrowV8Exception(tryCatch.Exception());
   }
 
   return parsed;
 }
 
 }  // namespace blink