Revert of Revert of Reland factor out window proxy management portions of ScriptController.

Source/bindings/core/v8/WindowProxyManager.cpp

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "bindings/core/v8/WindowProxyManager.h"
+
+#include "bindings/core/v8/DOMWrapperWorld.h"
+#include "bindings/core/v8/WindowProxy.h"
+#include "core/frame/Frame.h"
+
+namespace blink {
+
+PassOwnPtrWillBeRawPtr<WindowProxyManager> WindowProxyManager::create(Frame* frame)
+{
+    return adoptPtrWillBeNoop(new WindowProxyManager(frame));
+}
+
+WindowProxyManager::~WindowProxyManager()
+{
+}
+
+void WindowProxyManager::trace(Visitor* visitor)
+{
+#if ENABLE(OILPAN)
+    visitor->trace(m_frame);
+    visitor->trace(m_windowProxy);
+    visitor->trace(m_isolatedWorlds);
+#endif
+}
+
+WindowProxy* WindowProxyManager::windowProxy(DOMWrapperWorld& world)
+{
+    WindowProxy* windowProxy = nullptr;
+    if (world.isMainWorld()) {
+        windowProxy = m_windowProxy.get();
+    } else {
+        IsolatedWorldMap::iterator iter = m_isolatedWorlds.find(world.worldId());
+        if (iter != m_isolatedWorlds.end()) {
+            windowProxy = iter->value.get();
+        } else {
+            OwnPtrWillBeRawPtr<WindowProxy> isolatedWorldWindowProxy = WindowProxy::create(m_frame, world, m_isolate);
+            windowProxy = isolatedWorldWindowProxy.get();
+            m_isolatedWorlds.set(world.worldId(), isolatedWorldWindowProxy.release());
+        }
+    }
+    return windowProxy;
+}
+
+void WindowProxyManager::clearForClose()
+{
+    m_windowProxy->clearForClose();
+    for (auto& entry : m_isolatedWorlds)
+        entry.value->clearForClose();
+}
+
+void WindowProxyManager::clearForNavigation()
+{
+    m_windowProxy->clearForNavigation();
+    for (auto& entry : m_isolatedWorlds)
+        entry.value->clearForNavigation();
+}
+
+WindowProxy* WindowProxyManager::existingWindowProxy(DOMWrapperWorld& world)
+{
+    if (world.isMainWorld())
+        return m_windowProxy->isContextInitialized() ? m_windowProxy.get() : nullptr;
+
+    IsolatedWorldMap::iterator iter = m_isolatedWorlds.find(world.worldId());
+    if (iter == m_isolatedWorlds.end())
+        return nullptr;
+    return iter->value->isContextInitialized() ? iter->value.get() : nullptr;
+}
+
+void WindowProxyManager::collectIsolatedContexts(Vector<std::pair<ScriptState*, SecurityOrigin*>>& result)
+{
+    for (auto& entry : m_isolatedWorlds) {
+        WindowProxy* isolatedWorldWindowProxy = entry.value.get();
+        SecurityOrigin* origin = isolatedWorldWindowProxy->world().isolatedWorldSecurityOrigin();
+        if (!isolatedWorldWindowProxy->isContextInitialized())
+            continue;
+        result.append(std::make_pair(isolatedWorldWindowProxy->scriptState(), origin));
+    }
+}
+
+void WindowProxyManager::setWorldDebugId(int worldId, int debuggerId)
+{
+    ASSERT(debuggerId > 0);
+    bool isMainWorld = worldId == MainWorldId;
+    WindowProxy* windowProxy = nullptr;
+    if (isMainWorld) {
+        windowProxy = m_windowProxy.get();
+    } else {
+        IsolatedWorldMap::iterator iter = m_isolatedWorlds.find(worldId);
+        if (iter != m_isolatedWorlds.end())
+            windowProxy = iter->value.get();
+    }
+    if (!windowProxy || !windowProxy->isContextInitialized())
+        return;
+    v8::HandleScope scope(m_isolate);
+    v8::Local<v8::Context> context = windowProxy->context();
+    const char* worldName = isMainWorld ? "page" : "injected";
+    V8PerContextDebugData::setContextDebugData(context, worldName, debuggerId);
+}
+
+WindowProxyManager::WindowProxyManager(Frame* frame)
+    : m_frame(frame)
+    , m_isolate(v8::Isolate::GetCurrent())
+    , m_windowProxy(WindowProxy::create(frame, DOMWrapperWorld::mainWorld(), m_isolate))
+{
+}
+
+} // namespace blink