Create entry to PWSharing through ShareHelper

chrome/android/java_sources.gni

Index: chrome/android/java_sources.gni
diff --git a/chrome/android/java_sources.gni b/chrome/android/java_sources.gni
index 97ac3fdfffc33c2ac4741e62cc10bbc233dce5fb..8fb7eac57df035d43410f506114a67b97aec5b6c 100644
--- a/chrome/android/java_sources.gni
+++ b/chrome/android/java_sources.gni
@@ -744,6 +744,7 @@ chrome_java_sources = [
   "java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebDiagnosticsPage.java",
   "java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebEnvironment.java",
   "java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebOptInActivity.java",
+  "java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebShareActivity.java",
   "java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebUma.java",
   "java/src/org/chromium/chrome/browser/physicalweb/PwCollection.java",
   "java/src/org/chromium/chrome/browser/physicalweb/PwsClient.java",
@@ -887,6 +888,7 @@ chrome_java_sources = [
   "java/src/org/chromium/chrome/browser/sessions/SessionTabHelper.java",
   "java/src/org/chromium/chrome/browser/shapedetection/BarcodeDetectionImpl.java",
   "java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java",
+  "java/src/org/chromium/chrome/browser/share/ShareActivity.java",
   "java/src/org/chromium/chrome/browser/share/ShareDialogAdapter.java",
   "java/src/org/chromium/chrome/browser/share/ShareHelper.java",
   "java/src/org/chromium/chrome/browser/signin/AccountAdder.java",