Adds browser preferences to configure first-run flow on Windows 8.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index ed50b955de4f1588e03e3bcf81375af8374f42fc..4415c4adbf6ea62c37c08cf8c79b4682c259157e 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -832,9 +832,21 @@ const char kPluginsAlwaysAuthorize[] = "plugins.always_authorize";
 // on start-up.
 const char kCheckDefaultBrowser[] = "browser.check_default_browser";
 
-// TODO(motek): Remove this once a firm decision is made regarding how the UI
-// should be presented.
-const char kDefaultBrowserFlowDialog[] = "browser.set_default_flow_dialog";
+const char kCheckDefaultBrowserOnFirstRun[] =

[grt (UTC plus 2), 2012/07/05 17:16:09]

please make the names of the constants for these new prefs match the values. 
for example, kFirstRunCheckDefaultBrowser or
browser.check_default_browser_on_first_run for this one.

[motek., 2012/07/05 20:22:26]

Done.

+    "browser.first_run_check_default_browser";
+
+#if defined(OS_WIN)
+// Boolean that indicates it is OK to enter modal 'set-as-default-browser'
+// dialog. Relevant in Windows 8 first-run context only.
+const char kDefaultBrowserFlowDialogEnabled[] =
+    "browser.set_default_flow_dialog_enabled";
+
+// By default, setting Chrome as deafult during first run on Windows 8 will

[grt (UTC plus 2), 2012/07/05 17:16:09]

deafult -> default

[motek., 2012/07/05 20:22:26]

This has been moved to master_preferences_constants,

+// trigger shutting down the current instance and spawning a new (Metro)
+// Chrome. This boolean flag supresses this behaviour.

[grt (UTC plus 2), 2012/07/05 17:16:09]

since "flag" has special meaning in Chrome, i suggest using a different noun
here ("preference"?).

[motek., 2012/07/05 20:22:26]

Done.

+const char kSuppressSwitchToMetroModeOnSetDefault[] =
+    "browser.suppress_metro_switch_on_set_default";
+#endif
 
 // Policy setting whether default browser check should be disabled and default
 // browser registration should take place.