chrome/blink: Add functionality for in-product help for media elements.

chrome/renderer/chrome_content_renderer_client.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 "chrome/renderer/chrome_content_renderer_client.h"
-
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 22 matching lines @@
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/renderer_resources.h"
 #include "chrome/renderer/app_categorizer.h"
 #include "chrome/renderer/benchmarking_extension.h"
 #include "chrome/renderer/chrome_render_frame_observer.h"
 #include "chrome/renderer/chrome_render_thread_observer.h"
 #include "chrome/renderer/chrome_render_view_observer.h"
 #include "chrome/renderer/content_settings_observer.h"
 #include "chrome/renderer/loadtimes_extension_bindings.h"
+#include "chrome/renderer/media/media_iph_impl.h"
 #include "chrome/renderer/net/net_error_helper.h"
 #include "chrome/renderer/net_benchmarking_extension.h"
 #include "chrome/renderer/page_load_metrics/metrics_render_frame_observer.h"
 #include "chrome/renderer/pepper/pepper_helper.h"
 #include "chrome/renderer/plugins/non_loadable_plugin_placeholder.h"
 #include "chrome/renderer/plugins/plugin_preroller.h"
 #include "chrome/renderer/plugins/plugin_uma.h"
 #include "chrome/renderer/prerender/prerender_dispatcher.h"
 #include "chrome/renderer/prerender/prerender_helper.h"
 #include "chrome/renderer/prerender/prerenderer_client.h"
 #include "chrome/renderer/safe_browsing/phishing_classifier_delegate.h"
 #include "chrome/renderer/safe_browsing/safe_browsing_url_loader_throttle.h"
 #include "chrome/renderer/searchbox/search_bouncer.h"
 #include "chrome/renderer/searchbox/searchbox.h"
 #include "chrome/renderer/searchbox/searchbox_extension.h"
 #include "chrome/renderer/tts_dispatcher.h"
 #include "chrome/renderer/worker_content_settings_client.h"
 #include "components/autofill/content/renderer/autofill_agent.h"
 #include "components/autofill/content/renderer/password_autofill_agent.h"
 #include "components/autofill/content/renderer/password_generation_agent.h"
 #include "components/content_settings/core/common/content_settings_pattern.h"
 #include "components/contextual_search/renderer/overlay_js_render_frame_observer.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
 #include "components/dom_distiller/content/renderer/distillability_agent.h"
 #include "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
 #include "components/dom_distiller/core/dom_distiller_switches.h"
 #include "components/dom_distiller/core/url_constants.h"
 #include "components/error_page/common/localized_error.h"
+#include "components/feature_engagement_tracker/public/feature_list.h"
 #include "components/network_hints/renderer/prescient_networking_dispatcher.h"
 #include "components/password_manager/content/renderer/credential_manager_client.h"
 #include "components/pdf/renderer/pepper_pdf_host.h"
 #include "components/safe_browsing/renderer/threat_dom_details.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "components/spellcheck/spellcheck_build_features.h"
 #include "components/startup_metric_utils/common/startup_metric.mojom.h"
 #include "components/subresource_filter/content/renderer/subresource_filter_agent.h"
 #include "components/subresource_filter/content/renderer/unverified_ruleset_dealer.h"
 #include "components/task_scheduler_util/renderer/initialization.h"
@@ skipping 1506 matching lines @@
 
   RecordYouTubeRewriteUMA(result);
   return corrected_url.ReplaceComponents(r);
 }
 
 std::unique_ptr<base::TaskScheduler::InitParams>
 ChromeContentRendererClient::GetTaskSchedulerInitParams() {
   return task_scheduler_util::
       GetRendererTaskSchedulerInitParamsFromCommandLine();
 }
+
+std::unique_ptr<blink::WebMediaIPH>
+ChromeContentRendererClient::CreateWebMediaIPH(
+    content::RenderFrame* render_frame) {
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          feature_engagement_tracker::kEnableMediaDownloadIPH)) {
+    return nullptr;
+  }
+
+  return base::MakeUnique<MediaIPHImpl>(render_frame);
+}