Move instant support to SearchTabHelper.

chrome/browser/google/google_util.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Some Google related utility functions.
 
 #ifndef CHROME_BROWSER_GOOGLE_GOOGLE_UTIL_H__
 #define CHROME_BROWSER_GOOGLE_GOOGLE_UTIL_H__
 
 #include <string>
 
 #include "base/basictypes.h"
 
+namespace content {
+class NavigationEntry;
+}
+
 class GURL;
 class Profile;
 
 // This namespace provides various helpers around handling Google-related URLs
 // and state relating to Google Chrome distributions (such as RLZ).
 namespace google_util {
 
 // True iff |str| contains a "q=" query parameter with a non-empty value.
 // |str| should be a query or a hash fragment, without the ? or # (as
 // returned by GURL::query() or GURL::ref().
@@ skipping 18 matching lines @@
 
 // Returns in |brand| the brand code or distribution tag that has been
 // assigned to a partner. Returns false if the information is not available.
 bool GetBrand(std::string* brand);
 
 // Returns in |brand| the reactivation brand code or distribution tag
 // that has been assigned to a partner for reactivating a dormant chrome
 // 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
 // need to restrict some behavior to only happen on Google's officially-owned
 // domains, use TransportSecurityState::IsGooglePinnedProperty() instead.
 
 // Designate whether or not a URL checking function also checks for specific
 // subdomains, or only "www" and empty subdomains.
 enum SubdomainPermission {
   ALLOW_SUBDOMAIN,
@@ skipping 43 matching lines @@
   ~BrandForTesting();
 
  private:
   std::string brand_;
   DISALLOW_COPY_AND_ASSIGN(BrandForTesting);
 };
 
 }  // namespace google_util
 
 #endif  // CHROME_BROWSER_GOOGLE_GOOGLE_UTIL_H__