[sensors] Add Permission guard to the generic sensor apis.

android_webview/native/aw_contents.cc

Index: android_webview/native/aw_contents.cc
diff --git a/android_webview/native/aw_contents.cc b/android_webview/native/aw_contents.cc
index 89f611bed691396c51ee51c1d0bb603cd06e0340..fcea07b4f98b5e762d480631231a500ecd285e2c 100644
--- a/android_webview/native/aw_contents.cc
+++ b/android_webview/native/aw_contents.cc
@@ -657,6 +657,32 @@ void AwContents::CancelMIDISysexPermissionRequests(const GURL& origin) {
       origin, AwPermissionRequest::AwPermissionRequest::MIDISysex);
 }
 
+void AwContents::RequestSensorPermission(
+    const GURL& origin,
+    const base::Callback<void(bool)>& callback) {
+  permission_request_handler_->SendRequest(
+      std::unique_ptr<AwPermissionRequestDelegate>(new SimplePermissionRequest(
+          origin, AwPermissionRequest::Sensors, callback)));
+}
+
+void AwContents::CancelSensorPermissionRequests(const GURL& origin) {
+  permission_request_handler_->CancelRequest(
+      origin, AwPermissionRequest::AwPermissionRequest::Sensors);
+}
+
+void AwContents::RequestSensorPermission(
+    const GURL& origin,
+    const base::Callback<void(bool)>& callback) {
+  permission_request_handler_->SendRequest(
+      std::unique_ptr<AwPermissionRequestDelegate>(new SimplePermissionRequest(
+          origin, AwPermissionRequest::Sensors, callback)));
+}
+
+void AwContents::CancelSensorPermissionRequests(const GURL& origin) {
+  permission_request_handler_->CancelRequest(
+      origin, AwPermissionRequest::AwPermissionRequest::Sensors);
+}
+
 void AwContents::FindAllAsync(JNIEnv* env,
                               const JavaParamRef<jobject>& obj,
                               const JavaParamRef<jstring>& search_string) {