Add Finch flag for Copyless Paste

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 014fbb7f422f9ff4f8f06fb2de09361ed92ad187..f5e8f573463fd4bb247028ed8c07f58643cb8223 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2614,6 +2614,12 @@ const FeatureEntry kFeatureEntries[] = {
          chromeos::switches::kEnableZipArchiverOnFileManager)},
 #endif  // OS_CHROMEOS
 
+#if defined(OS_ANDROID)
+    {"enable-copyless-paste", flag_descriptions::kEnableCopylessPasteName,
+     flag_descriptions::kEnableCopylessPasteDescription, kOsAndroid,
+     FEATURE_VALUE_TYPE(features::kCopylessPaste)},
+#endif
+
     // NOTE: Adding new command-line switches requires adding corresponding
     // entries to enum "LoginCustomFlags" in histograms.xml. See note in
     // histograms.xml and don't forget to run AboutFlagsHistogramTest unit test.