Support an --install-from-webstore command line switch

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 b6fd0adfd9002293394edeeddd192e4b4a341c0b..80b54dc47b2c7ae7b568ba19f3015273c2c3dc9b 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -91,6 +91,13 @@ const char kAppsGalleryURL[]                = "apps-gallery-url";
 // The update url used by gallery/webstore extensions.
 const char kAppsGalleryUpdateURL[]          = "apps-gallery-update-url";
 
+// When passed on the command-line, this causes chrome to attempt to download

[Mihai Parparita -not on Chrome, 2012/09/07 22:01:36]

Nit: capitalize Chrome.

[asargent_no_longer_on_chrome, 2012/09/14 23:24:35]

Done.

+// and install an app from the webstore with the given id.

[Mihai Parparita -not on Chrome, 2012/09/07 22:01:36]

Mention that there's an install prompt too (i.e. this is not a silent
installation flag).

[asargent_no_longer_on_chrome, 2012/09/14 23:24:35]

Done.

+const char kAppsInstallFromID[]    = "apps-install-from-id";

[Mihai Parparita -not on Chrome, 2012/09/07 22:01:36]

If it's not too late, I think "webstore" should be in the flag name somewhere
(and in the StartupHelper method name).

Also, ID should probably be capitalized as "Id" (though we're not consistent
elsewhere)

[asargent_no_longer_on_chrome, 2012/09/14 23:24:35]

Done.

+
+// TODO(asargent) - remove this flag and change uses of it to instead use
+// kAppsInstallFromID.
+//
 // Specifies the URL of an application manifest to retrieve. The user will be
 // prompted for consent and the application retrieved/installed if consented.
 const char kAppsInstallFromManifestURL[]    = "apps-install-from-manifest-url";