Support custom V8 bindings on WebWorker threads (issue #451).

- Add CefRenderProcessHandler callbacks for WebWorker context creation, release and uncaught exceptions.
- Add CefTaskRunner class that supports posting of tasks to standard threads and WebWorker threads.
- Organize V8 internal state information on a per-thread/per-Isolate basis.
- Add webkit_451.patch that provides the WebKit implementation.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@972 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef_dll/cpptoc/task_runner_cpptoc.cc

@@ -0,0 +1,153 @@
+// Copyright (c) 2013 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+
+#include "libcef_dll/cpptoc/task_runner_cpptoc.h"
+#include "libcef_dll/ctocpp/task_ctocpp.h"
+
+
+// GLOBAL FUNCTIONS - Body may be edited by hand.
+
+CEF_EXPORT cef_task_runner_t* cef_task_runner_get_for_current_thread() {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  CefRefPtr<CefTaskRunner> _retval = CefTaskRunner::GetForCurrentThread();
+
+  // Return type: refptr_same
+  return CefTaskRunnerCppToC::Wrap(_retval);
+}
+
+CEF_EXPORT cef_task_runner_t* cef_task_runner_get_for_thread(
+    cef_thread_id_t threadId) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  CefRefPtr<CefTaskRunner> _retval = CefTaskRunner::GetForThread(
+      threadId);
+
+  // Return type: refptr_same
+  return CefTaskRunnerCppToC::Wrap(_retval);
+}
+
+
+// MEMBER FUNCTIONS - Body may be edited by hand.
+
+int CEF_CALLBACK task_runner_is_same(struct _cef_task_runner_t* self,
+    struct _cef_task_runner_t* that) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+  // Verify param: that; type: refptr_same
+  DCHECK(that);
+  if (!that)
+    return 0;
+
+  // Execute
+  bool _retval = CefTaskRunnerCppToC::Get(self)->IsSame(
+      CefTaskRunnerCppToC::Unwrap(that));
+
+  // Return type: bool
+  return _retval;
+}
+
+int CEF_CALLBACK task_runner_belongs_to_current_thread(
+    struct _cef_task_runner_t* self) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+
+  // Execute
+  bool _retval = CefTaskRunnerCppToC::Get(self)->BelongsToCurrentThread();
+
+  // Return type: bool
+  return _retval;
+}
+
+int CEF_CALLBACK task_runner_belongs_to_thread(struct _cef_task_runner_t* self,
+    cef_thread_id_t threadId) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+
+  // Execute
+  bool _retval = CefTaskRunnerCppToC::Get(self)->BelongsToThread(
+      threadId);
+
+  // Return type: bool
+  return _retval;
+}
+
+int CEF_CALLBACK task_runner_post_task(struct _cef_task_runner_t* self,
+    cef_task_t* task) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+  // Verify param: task; type: refptr_diff
+  DCHECK(task);
+  if (!task)
+    return 0;
+
+  // Execute
+  bool _retval = CefTaskRunnerCppToC::Get(self)->PostTask(
+      CefTaskCToCpp::Wrap(task));
+
+  // Return type: bool
+  return _retval;
+}
+
+int CEF_CALLBACK task_runner_post_delayed_task(struct _cef_task_runner_t* self,
+    cef_task_t* task, int64 delay_ms) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+  // Verify param: task; type: refptr_diff
+  DCHECK(task);
+  if (!task)
+    return 0;
+
+  // Execute
+  bool _retval = CefTaskRunnerCppToC::Get(self)->PostDelayedTask(
+      CefTaskCToCpp::Wrap(task),
+      delay_ms);
+
+  // Return type: bool
+  return _retval;
+}
+
+
+// CONSTRUCTOR - Do not edit by hand.
+
+CefTaskRunnerCppToC::CefTaskRunnerCppToC(CefTaskRunner* cls)
+    : CefCppToC<CefTaskRunnerCppToC, CefTaskRunner, cef_task_runner_t>(cls) {
+  struct_.struct_.is_same = task_runner_is_same;
+  struct_.struct_.belongs_to_current_thread =
+      task_runner_belongs_to_current_thread;
+  struct_.struct_.belongs_to_thread = task_runner_belongs_to_thread;
+  struct_.struct_.post_task = task_runner_post_task;
+  struct_.struct_.post_delayed_task = task_runner_post_delayed_task;
+}
+
+#ifndef NDEBUG
+template<> long CefCppToC<CefTaskRunnerCppToC, CefTaskRunner,
+    cef_task_runner_t>::DebugObjCt = 0;
+#endif
+