Add plugins::TestPluginPlaceholder class and allow its use in Blink layout tests.

content/shell/renderer/layout_test/blink_test_runner.cc

 // 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/layout_test/blink_test_runner.h"
 
 #include <algorithm>
 #include <clocale>
 #include <cmath>
 
@@ skipping 18 matching lines @@
 #include "content/public/renderer/render_view_visitor.h"
 #include "content/public/renderer/renderer_gamepad_provider.h"
 #include "content/public/test/layouttest_support.h"
 #include "content/shell/common/layout_test/layout_test_messages.h"
 #include "content/shell/common/shell_messages.h"
 #include "content/shell/common/shell_switches.h"
 #include "content/shell/renderer/layout_test/blink_test_helpers.h"
 #include "content/shell/renderer/layout_test/gc_controller.h"
 #include "content/shell/renderer/layout_test/layout_test_render_process_observer.h"
 #include "content/shell/renderer/layout_test/leak_detector.h"
+#include "content/shell/renderer/layout_test/test_plugin_placeholder.h"
 #include "content/shell/renderer/test_runner/app_banner_client.h"
 #include "content/shell/renderer/test_runner/gamepad_controller.h"
 #include "content/shell/renderer/test_runner/mock_screen_orientation_client.h"
 #include "content/shell/renderer/test_runner/test_interfaces.h"
 #include "content/shell/renderer/test_runner/web_task.h"
 #include "content/shell/renderer/test_runner/web_test_interfaces.h"
 #include "content/shell/renderer/test_runner/web_test_proxy.h"
 #include "content/shell/renderer/test_runner/web_test_runner.h"
 #include "net/base/filename_util.h"
 #include "net/base/net_errors.h"
@@ skipping 616 matching lines @@
   blink::WebVector<blink::WebString> blink_event_platforms(blink_web_strings);
 
   WebLocalFrame* main_frame =
       render_view()->GetWebView()->mainFrame()->toWebLocalFrame();
   main_frame->willShowInstallBannerPrompt(request_id, blink_event_platforms,
                                           &reply);
 
   callback.Run(reply == blink::WebAppBannerPromptReply::Cancel);
 }
 
-  void BlinkTestRunner::ResolveBeforeInstallPromptPromise(
+void BlinkTestRunner::ResolveBeforeInstallPromptPromise(
       int request_id, const std::string& platform) {
   WebTestInterfaces* interfaces =
       LayoutTestRenderProcessObserver::GetInstance()->test_interfaces();
   interfaces->GetTestInterfaces()->GetAppBannerClient()->ResolvePromise(
       request_id, platform);
 }
 
+blink::WebPlugin* BlinkTestRunner::CreatePluginPlaceholder(
+    blink::WebLocalFrame* frame, const blink::WebPluginParams& params) {
+  if (params.mimeType == "application/x-plugin-placeholder-test")
+    return (new TestPluginPlaceholder(frame, params))->plugin();
+  return 0;
+}
+
 // RenderViewObserver  --------------------------------------------------------
 
 void BlinkTestRunner::DidClearWindowObject(WebLocalFrame* frame) {
   WebTestingSupport::injectInternalsObject(frame);
   LayoutTestRenderProcessObserver::GetInstance()->test_interfaces()->BindTo(
       frame);
   GCController::Install(frame);
 }
 
 bool BlinkTestRunner::OnMessageReceived(const IPC::Message& message) {
@@ skipping 182 matching lines @@
 
   leak_detector_->TryLeakDetection(main_frame);
 }
 
 void BlinkTestRunner::ReportLeakDetectionResult(
     const LeakDetectionResult& report) {
   Send(new ShellViewHostMsg_LeakDetectionDone(routing_id(), report));
 }
 
 }  // namespace content