Creating a skeleton for Google Now for Chrome implementation.

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 423bcd80f9347ecb632cf9e77a066e96186846da..05db6945f4028d8622f500b5b6e4bbc6a487714b 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -523,6 +523,9 @@ const char kEnableChromeStyleDialogs[]      = "enable-chrome-style-dialogs";
 // for example page cycler and layout tests. See bug 1157243.
 const char kEnableFileCookies[]             = "enable-file-cookies";
 
+// Enables Google Now integration.
+const char kEnableGoogleNowIntegration[] = "enable-google-now-integration";
+
 // Enable HTTP pipelining. Attempt to pipeline HTTP connections. Heuristics will
 // try to figure out if pipelining can be used for a given host and request.
 // Without this flag, pipelining will never be used.