Create Broadcast Notification

chrome/android/java/strings/android_chrome_strings.grd

Index: chrome/android/java/strings/android_chrome_strings.grd
diff --git a/chrome/android/java/strings/android_chrome_strings.grd b/chrome/android/java/strings/android_chrome_strings.grd
index f6da2cc569f51494c05c133e8220b4bdf986d292..eb2e83947f857f14512434518e0199df37151007 100644
--- a/chrome/android/java/strings/android_chrome_strings.grd
+++ b/chrome/android/java/strings/android_chrome_strings.grd
@@ -2616,6 +2616,12 @@ You must have Bluetooth and Location turned on in order to use the Physical Web.
       <message name="IDS_PHYSICAL_WEB_SHARE_ACTIVITY_TITLE" desc="Title of the Physical Web Share activity that will appear in the Android share dialog.">
         Physical Web
       </message>
+      <message name="IDS_PHYSICAL_WEB_BROADCAST_NOTIFICATION" desc="The message that will be displayed when a Physical Web URL is broadcasted successfully.">
+        Website is broadcasting
+      </message>
+      <message name="IDS_PHYSICAL_WEB_STOP_BROADCAST" desc="The label for the button within a notification that stops a Physical Web broadcast.">
+        Stop
+      </message>
 
       <!-- WebUsb Picker UI strings -->
       <message name="IDS_USB_CHOOSER_DIALOG_PROMPT" desc="The text that is used to introduce the USB chooser dialog to the user.">