[Android] Use correct enhanced bookmarks enabling logic.

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 ce9dfaff9e528a4947aa503d7559e543934851c6..1b65f1c2f17890f0fe23d3e6a6b89c302ae72bcd 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1604,7 +1604,7 @@ const Experiment kExperiments[] = {
     "enhanced-bookmarks-experiment",
     IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_NAME,
     IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_DESCRIPTION,
-    kOsDesktop,
+    kOsDesktop | kOsAndroid,
     ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(
         switches::kEnhancedBookmarksExperiment, "1",
         switches::kEnhancedBookmarksExperiment, "0")
@@ -1613,14 +1613,14 @@ const Experiment kExperiments[] = {
     "manual-enhanced-bookmarks",
     IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_NAME,
     IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_DESCRIPTION,
-    kOsDesktop,
+    kOsDesktop | kOsAndroid,
     SINGLE_VALUE_TYPE(switches::kManualEnhancedBookmarks)
   },
   {
     "manual-enhanced-bookmarks-optout",
     IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_NAME,
     IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_DESCRIPTION,
-    kOsDesktop,
+    kOsDesktop | kOsAndroid,
     SINGLE_VALUE_TYPE(switches::kManualEnhancedBookmarksOptout)
   },
 #if defined(OS_ANDROID)
@@ -2025,6 +2025,10 @@ void GetSanitizedEnabledFlags(
 bool SkipConditionalExperiment(const Experiment& experiment) {
   if (experiment.internal_name ==
       std::string("enhanced-bookmarks-experiment")) {
+#if defined(OS_ANDROID)
+      // On Android, user can opt in.
+      return false;
+#else
     CommandLine* command_line = CommandLine::ForCurrentProcess();
     // Dont't skip experiment if it has non default value.
     // It means user selected it.
@@ -2032,7 +2036,9 @@ bool SkipConditionalExperiment(const Experiment& experiment) {
       return false;
 
     return !IsEnhancedBookmarksExperimentEnabled();
+#endif
   }
+
   if ((experiment.internal_name == std::string("manual-enhanced-bookmarks")) ||
       (experiment.internal_name ==
            std::string("manual-enhanced-bookmarks-optout"))) {