Add IPC benchmarking API to Blink TestRunner

content/shell/renderer/ipc_echo.cc

Index: content/shell/renderer/ipc_echo.cc
diff --git a/content/shell/renderer/ipc_echo.cc b/content/shell/renderer/ipc_echo.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ce320a14ec967613b952c942e96f04e6d6fc6bbc
--- /dev/null
+++ b/content/shell/renderer/ipc_echo.cc
@@ -0,0 +1,113 @@
+// Copyright (c) 2012 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 "content/shell/renderer/ipc_echo.h"
+
+#include "base/logging.h"
+#include "content/shell/common/shell_messages.h"
+#include "content/shell/renderer/binding_helpers.h"
+#include "gin/object_template_builder.h"
+#include "gin/wrappable.h"
+#include "ipc/ipc_sender.h"
+#include "third_party/WebKit/public/web/WebDOMCustomEvent.h"
+#include "third_party/WebKit/public/web/WebDOMEvent.h"
+#include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
+
+namespace content {
+
+class IPCEchoBindings : public gin::Wrappable<IPCEchoBindings> {
+public:
+  static gin::WrapperInfo kWrapperInfo;
+  static void Install(base::WeakPtr<IPCEcho> echo, blink::WebFrame* frame);
+
+  explicit IPCEchoBindings(base::WeakPtr<IPCEcho>);
+
+  void RequestEcho(int id, int size);
+  int GetLastEchoId() const;
+  int GetLastEchoSize() const;
+
+private:
+  virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
+      v8::Isolate*) OVERRIDE;
+
+  base::WeakPtr<IPCEcho> native_;
+};
+
+IPCEchoBindings::IPCEchoBindings(base::WeakPtr<IPCEcho> native)
+    : native_(native) {
+}
+
+void IPCEchoBindings::RequestEcho(int id, int size) {
+  if (!native_)
+    return;
+  native_->RequestEcho(id, size);
+}
+
+int IPCEchoBindings::GetLastEchoId() const {
+  if (!native_)
+    return 0;
+  return native_->last_echo_id();
+}
+
+int IPCEchoBindings::GetLastEchoSize() const {
+  if (!native_)
+    return 0;
+  return native_->last_echo_size();
+}
+
+gin::WrapperInfo IPCEchoBindings::kWrapperInfo = {
+    gin::kEmbedderNativeGin };
+
+gin::ObjectTemplateBuilder IPCEchoBindings::GetObjectTemplateBuilder(
+    v8::Isolate* isolate) {
+  return gin::Wrappable<IPCEchoBindings>::GetObjectTemplateBuilder(isolate)
+      .SetMethod("requestEcho",
+                 &IPCEchoBindings::RequestEcho)
+      .SetProperty("lastEchoId",
+                   &IPCEchoBindings::GetLastEchoId)
+      .SetProperty("lastEchoSize",
+                   &IPCEchoBindings::GetLastEchoSize);
+}
+
+// static
+void IPCEchoBindings::Install(base::WeakPtr<IPCEcho> echo,
+                              blink::WebFrame* frame) {
+  std::vector<std::string> names;
+  names.push_back("ipcEcho");
+  return InstallAsWindowProperties(
+      new IPCEchoBindings(echo), frame, names);
+}
+
+IPCEcho::IPCEcho(blink::WebDocument document,
+                 IPC::Sender* sender,
+                 int routing_id)
+    : weak_factory_(this),
+      document_(document), sender_(sender), routing_id_(routing_id),
+      last_echo_id_(0) {
+}
+
+IPCEcho::~IPCEcho() {
+}
+
+void IPCEcho::RequestEcho(int id, int size) {
+  sender_->Send(new ShellViewHostMsg_EchoPing(
+      routing_id_, id, std::string(size, '*')));
+}
+
+void IPCEcho::DidRespondEcho(int id, int size) {
+  last_echo_id_ = id;
+  last_echo_size_ = size;
+  blink::WebString eventName = blink::WebString::fromUTF8("CustomEvent");
+  blink::WebString eventType = blink::WebString::fromUTF8("pong");
+  blink::WebDOMEvent event = document_.createEvent(eventName);
+  event.to<blink::WebDOMCustomEvent>().initCustomEvent(
+      eventType, false, false, blink::WebSerializedScriptValue());
+  document_.dispatchEvent(event);
+}
+
+void IPCEcho::Install(blink::WebFrame* frame) {
+  IPCEchoBindings::Install(weak_factory_.GetWeakPtr(), frame);
+}
+
+}  // namespace content