Add IPC benchmarking API to Blink TestRunner

content/shell/renderer/test_runner/test_runner.cc

Index: content/shell/renderer/test_runner/test_runner.cc
diff --git a/content/shell/renderer/test_runner/test_runner.cc b/content/shell/renderer/test_runner/test_runner.cc
index 1569e57744601a9b6b3730cfcf645e5dd0125176..01a135fa52c4d24c4fa63b39998520fa876a483f 100644
--- a/content/shell/renderer/test_runner/test_runner.cc
+++ b/content/shell/renderer/test_runner/test_runner.cc
@@ -290,6 +290,9 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
   void SetMockPushClientSuccess(const std::string& endpoint,
                                 const std::string& registration_id);
   void SetMockPushClientError(const std::string& message);
+  void RequestEcho(int id, int size);
+  int GetLastEchoId() const;
+  int GetLastEchoSize() const;
 
   bool GlobalFlag();
   void SetGlobalFlag(bool value);
@@ -544,6 +547,13 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
                  &TestRunnerBindings::SetMockPushClientSuccess)
       .SetMethod("setMockPushClientError",
                  &TestRunnerBindings::SetMockPushClientError)
+      // IPCEcho API
+      .SetMethod("requestEcho",
+                 &TestRunnerBindings::RequestEcho)
+      .SetProperty("lastEchoId",
+                   &TestRunnerBindings::GetLastEchoId)
+      .SetProperty("lastEchoSize",
+                   &TestRunnerBindings::GetLastEchoSize)
 
       // Properties.
       .SetProperty("globalFlag",
@@ -1398,6 +1408,24 @@ void TestRunnerBindings::SetMockPushClientError(const std::string& message) {
   runner_->SetMockPushClientError(message);
 }
 
+void TestRunnerBindings::RequestEcho(int id, int size) {
+  if (!runner_)
+    return;
+  runner_->RequestEcho(id, size);
+}
+
+int TestRunnerBindings::GetLastEchoId() const {
+  if (!runner_)
+    return 0;
+  return runner_->GetLastEchoId();
+}
+
+int TestRunnerBindings::GetLastEchoSize() const {
+  if (!runner_)
+    return 0;
+  return runner_->GetLastEchoSize();
+}
+
 bool TestRunnerBindings::GlobalFlag() {
   if (runner_)
     return runner_->global_flag_;
@@ -2876,6 +2904,18 @@ void TestRunner::SetMockPushClientError(const std::string& message) {
   proxy_->GetPushClientMock()->SetMockErrorValues(message);
 }
 
+void TestRunner::RequestEcho(int id, int size) {
+  delegate_->requestEcho(id, size);
+}
+
+int TestRunner::GetLastEchoId() const {
+  return delegate_->lastEchoId();
+}
+
+int TestRunner::GetLastEchoSize() const {
+  return delegate_->lastEchoSize();
+}
+
 void TestRunner::LocationChangeDone() {
   web_history_item_count_ = delegate_->navigationEntryCount();