[sms] Turn On Experimental SMSReceiver API for Android Devices and tests for Non-Android Platforms.

This changes turns on the experimental SMSReceiver API for the
Android platform excluding WebView and for tests on Non-Android platforms.
Implementations for desktop are still in discussion and will be
detached completely from the implementation and release of the
SmsReceiver API release for Android.

Bug: 963653
Change-Id: Iefe3b9b135e6a9ae4ed30f00370bb32747481e0d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1620107Reviewed-by: Tao Bai <michaelbai@chromium.org>
Reviewed-by: Tim Volodine <timvolodine@chromium.org>
Reviewed-by: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Jun Cai <juncai@chromium.org>
Reviewed-by: David Bokan <bokan@chromium.org>
Commit-Queue: Ayu Ishii <ayui@chromium.org>
Cr-Commit-Position: refs/heads/master@{#676143}

android_webview/lib/aw_main_delegate.cc

@@ -204,6 +204,10 @@ bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
     // Network service for WebView is still being evaluated. Once enabled
     // by default the following line can be deleted.
     features.DisableIfNotSet(network::features::kNetworkService);
+
+    // TODO(https://crbug.com/963653): SmsReceiver is not yet supported on
+    // WebView.
+    features.DisableIfNotSet(features::kSmsReceiver);
   }
 
   android_webview::RegisterPathProvider();

android_webview/tools/system_webview_shell/test/data/webexposed/not-webview-exposed.txt

@@ -54,12 +54,14 @@ interface HTMLMediaElement : HTMLElement
     getter remote                      # crbug.com/521319
 
 # permissions API (crbug.com/490120), presentation API (crbug.com/521319),
-# share API (crbug.com/765923), custom scheme handlers (crbug.com/589502)
-# and media session API (crbug.com/925997) are not supported in webview.
+# share API (crbug.com/765923), custom scheme handlers (crbug.com/589502),
+# media session API (crbug.com/925997), and sms API (crbug.com/963653)
+# are not supported in webview.
 interface Navigator
     getter mediaSession                # crbug.com/925997
     getter permissions                 # crbug.com/490120
     getter presentation                # crbug.com/521319
+    getter sms                         # crbug.com/963653
     method registerProtocolHandler     # crbug.com/589502
     method unregisterProtocolHandler   # crbug.com/589502
     method share                       # crbug.com/765923
@@ -68,6 +70,10 @@ interface Navigator
 interface MediaMetadata
 interface MediaSession
 
+# SMS API is disabled in Android WebView, (crbug.com/963653)
+interface SMS
+interface SMSReceiver
+
 # notifications not yet supported in webview, crbug.com/551446
 interface ServiceWorkerRegistration : EventTarget
     getter pushManager

third_party/blink/renderer/platform/runtime_enabled_features.json5

@@ -1460,7 +1460,7 @@
     },
     {
       name: "SmsReceiver",
-      status: "experimental",
+      status: {"Android": "experimental", "default": "test"},
     },
     // Used as argument in attribute of stable-release functions/interfaces
     // where a runtime-enabled feature name is required for correct IDL syntax.