Add switch to provide app window size on startup

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index a1d0655566da1258ced51d3e4abc31566a9403bb..22fd7d2b91e5fb20053ce288092bdb06b882b0b4 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -62,6 +62,10 @@ const char kAppId[]                         = "app-id";
 // mode.
 const char kApp[]                           = "app";
 
+// Specifies the initial size for application windows launched with --app.
+// --app-window-size=w,h
+const char kAppWindowSize[]                 = "app-window-size";
+
 // A URL for the server which assigns channel ids for server pushed app
 // notifications.
 const char kAppNotifyChannelServerURL[]     = "app-notify-channel-server-url";