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

chrome/common/extensions/extension_manifest_constants.cc

Index: chrome/common/extensions/extension_manifest_constants.cc
diff --git a/chrome/common/extensions/extension_manifest_constants.cc b/chrome/common/extensions/extension_manifest_constants.cc
index b1ef47264c46c7933e18fbe4ccacc32c22117223..f564f792c813caff0ec3364c24e267a535b049f1 100644
--- a/chrome/common/extensions/extension_manifest_constants.cc
+++ b/chrome/common/extensions/extension_manifest_constants.cc
@@ -62,10 +62,6 @@ const char kLaunchContainer[] = "app.launch.container";
 const char kLaunchHeight[] = "app.launch.height";
 const char kLaunchLocalPath[] = "app.launch.local_path";
 const char kLaunchWebURL[] = "app.launch.web_url";
-const char kLaunchMaxHeight[] = "app.launch.max_height";
-const char kLaunchMaxWidth[] = "app.launch.max_width";
-const char kLaunchMinHeight[] = "app.launch.min_height";
-const char kLaunchMinWidth[] = "app.launch.min_width";
 const char kLaunchWidth[] = "app.launch.width";
 const char kLayouts[] = "layouts";
 const char kManifestVersion[] = "manifest_version";