Report if video capturing meets output protection requirement.

chrome/browser/media/tab_capture_access_handler.cc

Index: chrome/browser/media/tab_capture_access_handler.cc
diff --git a/chrome/browser/media/tab_capture_access_handler.cc b/chrome/browser/media/tab_capture_access_handler.cc
index 50d05424c848217b059407b6cecd8cad1db738e3..d87e47b7d31db943409eb5f64fbbd9923b419f5a 100644
--- a/chrome/browser/media/tab_capture_access_handler.cc
+++ b/chrome/browser/media/tab_capture_access_handler.cc
@@ -13,8 +13,11 @@
 #include "content/public/browser/web_contents.h"
 #include "extensions/common/permissions/permissions_data.h"
 
-TabCaptureAccessHandler::TabCaptureAccessHandler() {
-}
+TabCaptureAccessHandler::TabCaptureAccessHandler()
+    : render_process_id_(-1),
+      render_frame_id_(-1),
+      is_capturing_link_secure_(false),
+      extension_whitelisted_(false) {}
 
 TabCaptureAccessHandler::~TabCaptureAccessHandler() {
 }
@@ -78,8 +81,44 @@ void TabCaptureAccessHandler::HandleRequest(
     ui = MediaCaptureDevicesDispatcher::GetInstance()
              ->GetMediaStreamCaptureIndicator()
              ->RegisterMediaStream(web_contents, devices);
+    render_process_id_ = request.render_process_id;
+    render_frame_id_ = request.render_frame_id;
   }
+  extension_whitelisted_ = MediaCaptureDevicesDispatcher::IsOriginForCasting(
+      request.security_origin);
   callback.Run(devices, devices.empty() ? content::MEDIA_DEVICE_INVALID_STATE
                                         : content::MEDIA_DEVICE_OK,
                std::move(ui));
 }
+
+bool TabCaptureAccessHandler::IsCaptureInProgress(int render_process_id,
+                                                  int render_frame_id,
+                                                  bool* is_link_secure) {
+  if ((render_frame_id == render_frame_id_) &&
+      (render_process_id == render_process_id_)) {
+    *is_link_secure = is_capturing_link_secure_ && extension_whitelisted_;
+    return true;
+  }
+  *is_link_secure = false;
+  return false;
+}
+
+void TabCaptureAccessHandler::UpdateCapturingLinkSecured(
+    int render_process_id,
+    int render_frame_id,
+    int page_request_id,
+    content::MediaStreamType stream_type,
+    bool is_secure) {
+  if (stream_type != content::MEDIA_TAB_VIDEO_CAPTURE ||
+      render_process_id != render_process_id_ ||
+      render_frame_id != render_frame_id_) {
+    return;
+  }
+
+  is_capturing_link_secure_ = is_secure;
+
+  VLOG(1) << "TabCaptureAccessHandler:"
+          << " render_process_id: " << render_process_id
+          << " render_frame_id: " << render_frame_id
+          << " is_capturing_link_secure_: " << is_secure;
+}