Implementation of the "Redirect URLs to Packaged Apps" feature.

chrome/common/extensions/extension_messages.h

Index: chrome/common/extensions/extension_messages.h
diff --git a/chrome/common/extensions/extension_messages.h b/chrome/common/extensions/extension_messages.h
index 62af07adbfcc14835dae5ead7bb8ea0ec20f569e..47506e51450fa962be70a9706b3bcf2eda898b1c 100644
--- a/chrome/common/extensions/extension_messages.h
+++ b/chrome/common/extensions/extension_messages.h
@@ -617,7 +617,7 @@ IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddDOMActionToActivityLog,
                      ExtensionHostMsg_DOMAction_Params)
 
 // Notifies the browser process that a tab has started or stopped matching
-// certain conditions.  This message is sent in response to several events:
+// certain conditions. This message is sent in response to several events:
 //
 // * ExtensionMsg_WatchPages was received, updating the set of conditions.
 // * A new page is loaded.  This will be sent after ViewHostMsg_FrameNavigate.
@@ -626,3 +626,11 @@ IPC_MESSAGE_CONTROL2(ExtensionHostMsg_AddDOMActionToActivityLog,
 //   to change.
 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_OnWatchedPageChange,
                     std::vector<std::string> /* Matching CSS selectors */)
+
+// Tells the browser process to send to the specified app an onLaunched event
+// with a URL and its corresponding referrer URL as parameters.
+IPC_MESSAGE_CONTROL4(ExtensionHostMsg_OnRedirectUrlToApp,
+                     std::string /* extension_id */,
+                     std::string /* handler_id */,
+                     GURL /* URL to redirect */,
+                     GURL /* referrer URL */)