Move instant support to SearchTabHelper.

chrome/browser/google/google_util.h

Index: chrome/browser/google/google_util.h
diff --git a/chrome/browser/google/google_util.h b/chrome/browser/google/google_util.h
index ea49f360df489d7ef2a67a6165d320e0cdc22ea3..96526a9ed4811efa6f59b1133ee67635206bc764 100644
--- a/chrome/browser/google/google_util.h
+++ b/chrome/browser/google/google_util.h
@@ -11,6 +11,10 @@
 
 #include "base/basictypes.h"
 
+namespace content {
+class NavigationEntry;
+}
+
 class GURL;
 class Profile;
 
@@ -49,6 +53,11 @@ bool GetBrand(std::string* brand);
 // install. Returns false if the information is not available.
 bool GetReactivationBrand(std::string* brand);
 
+// Returns true iff |entry| represents a Google search from the Omnibox.
+// This method assumes that we have already verified that |entry|'s URL is a
+// Google search URL.
+bool IsOmniboxGoogleSearchNavigation(const content::NavigationEntry& entry);
+
 // WARNING: The following IsGoogleXXX() functions use heuristics to rule out
 // "obviously false" answers.  They do NOT guarantee that the string in question
 // is actually on a Google-owned domain, just that it looks plausible.  If you