Initial inline web store install bindings.

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 f8ce50229e9d71b70ad2fea0e675e32d9acd39f9..dd8c431c7b5046ff2ff15e79fb82e158cbe05737 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -435,6 +435,10 @@ const char kEnableFullScreen[]              = "enable-fullscreen";
 // if we need to update thumbnails.
 const char kEnableInBrowserThumbnailing[]   = "enable-in-browser-thumbnailing";
 
+// Enables web developers to initiate inline installation of Chrome Web Store
+// items.
+const char kEnableInlineWebstoreInstall[]   = "enable-inline-webstore-install";
+
 // Enable IPv6 support, even if probes suggest that it may not be fully
 // supported.  Some probes may require internet connections, and this flag will
 // allow support independent of application testing.