Add Finch flag for Copyless Paste

chrome/common/chrome_features.cc

Index: chrome/common/chrome_features.cc
diff --git a/chrome/common/chrome_features.cc b/chrome/common/chrome_features.cc
index 30c9bbabc7d56b1909779cafd7ee86a94f03d016..6c2cf102a2c1e746edaa632bffe444ed3831a0ed 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -113,6 +113,12 @@ const base::Feature kConsistentOmniboxGeolocation{
     "ConsistentOmniboxGeolocation", base::FEATURE_DISABLED_BY_DEFAULT};
 #endif
 
+#if defined(OS_ANDROID)
+// Experiment to extract structured metadata for app indexing.
+const base::Feature kCopylessPaste{"CopylessPaste",
+                                   base::FEATURE_DISABLED_BY_DEFAULT};
+#endif
+
 #if defined(OS_WIN)
 // Enables or disables desktop ios promotion, which shows a promotion to the
 // user promoting Chrome for iOS.