If --views-desktop is specified from the command line, respect it.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 52c860ddd1979a8c09f76057b4d2185a9b9f7255..e4727df4649786620c927c0edd30b9e6995cf851 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -1316,11 +1316,12 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunInternal() {
 #endif
 
 #if defined(TOUCH_UI)
-  // Always add the --views-desktop flag. If the user disabled the flag from
-  // about:flags, it will get unset bt the call to ConvertFlagsToSwitches in the
-  // following line.
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(switches::kViewsDesktop,
-                                                      "other");
+  // Always add the --views-desktop flag, if not already set.
+  // If the user disabled the flag from about:flags, it will get unset by the
+  // call to ConvertFlagsToSwitches in the following line.
+  if (!parsed_command_line().HasSwitch(switches::kViewsDesktop))
+    CommandLine::ForCurrentProcess()->AppendSwitchASCII(switches::kViewsDesktop,
+                                                        "other");
 #endif
 
   // Convert active labs into switches. Modifies the current command line.