Move the parsing of app.launch related keys out of Extension class.

chrome/common/extensions/extension_manifest_constants.h

Index: chrome/common/extensions/extension_manifest_constants.h
diff --git a/chrome/common/extensions/extension_manifest_constants.h b/chrome/common/extensions/extension_manifest_constants.h
index 5bda8136afada3b3c654db528bb5117631df7637..24159b04b142d5e87a547afef06b5fc52e9cc8de 100644
--- a/chrome/common/extensions/extension_manifest_constants.h
+++ b/chrome/common/extensions/extension_manifest_constants.h
@@ -69,10 +69,6 @@ namespace extension_manifest_keys {
   extern const char kLaunchContainer[];
   extern const char kLaunchHeight[];
   extern const char kLaunchLocalPath[];
-  extern const char kLaunchMaxHeight[];
-  extern const char kLaunchMaxWidth[];
-  extern const char kLaunchMinHeight[];
-  extern const char kLaunchMinWidth[];
   extern const char kLaunchWebURL[];
   extern const char kLaunchWidth[];
   extern const char kLayouts[];