Initial patch set to implement improved touch support for screen magnification

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 df6710779c7e8612115e41d4f6acc1c534414745..79ff33638b0c63447d9edd66c7f1e65e3806e9cc 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2179,7 +2179,14 @@ const FeatureEntry kFeatureEntries[] = {
 #endif  // OS_ANDROID
     {"enable-faster-location-reload", IDS_FLAGS_FASTER_LOCATION_RELOAD_NAME,
      IDS_FLAGS_FASTER_LOCATION_RELOAD_DESCRIPTION, kOsAll,
-     FEATURE_VALUE_TYPE(features::kFasterLocationReload)}
+     FEATURE_VALUE_TYPE(features::kFasterLocationReload)},
+#if defined(OS_CHROMEOS)
+    {"enable-touch-support-in-screen-magnification",
+     IDS_FLAGS_ENABLE_TOUCH_SUPPORT_IN_SCREEN_MAGNIFICATION_NAME,
+     IDS_FLAGS_ENABLE_TOUCH_SUPPORT_IN_SCREEN_MAGNIFICATION_DESCRIPTION,
+     kOsCrOS, SINGLE_VALUE_TYPE(
+                  chromeos::switches::kEnableTouchSupportInScreenMagnification)}
+#endif  // OS_CHROMEOS
 
     // NOTE: Adding new command-line switches requires adding corresponding
     // entries to enum "LoginCustomFlags" in histograms.xml. See note in