Introduces a search term extraction mechanism working for arbitrary search providers.

chrome/browser/google/google_util.cc

Index: chrome/browser/google/google_util.cc
diff --git a/chrome/browser/google/google_util.cc b/chrome/browser/google/google_util.cc
index 013437ec00a71f0e88795690e6a3e22d8578bf56..0d47f5675ab91f8479ddee5385c3c2b49f715810 100644
--- a/chrome/browser/google/google_util.cc
+++ b/chrome/browser/google/google_util.cc
@@ -19,8 +19,6 @@
 #include "chrome/common/net/url_util.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "googleurl/src/gurl.h"
-#include "googleurl/src/url_parse.h"
-#include "net/base/escape.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 
 #if defined(OS_MACOSX)
@@ -57,30 +55,6 @@ bool HasQueryParameter(const std::string& str) {
 
 bool gUseMockLinkDoctorBaseURLForTesting = false;
 
-// Finds the first key-value pair where the key matches |query_key|. Returns
-// true if a match is found and sets |search_terms| to the value.
-bool ExtractSearchTermsFromComponent(const std::string& url,
-                                     url_parse::Component* component,
-                                     string16* search_terms) {
-  const std::string query_key = "q";
-  url_parse::Component key, value;
-
-  while (url_parse::ExtractQueryKeyValue(url.c_str(), component,
-                                         &key, &value)) {
-    if (url.compare(key.begin, key.len, query_key) != 0)
-      continue;
-    std::string value_str = url.substr(value.begin, value.len);
-    *search_terms = net::UnescapeAndDecodeUTF8URLComponent(
-        value_str,
-        net::UnescapeRule::SPACES |
-            net::UnescapeRule::URL_SPECIAL_CHARS |
-            net::UnescapeRule::REPLACE_PLUS_WITH_SPACE,
-        NULL);
-    return true;
-  }
-  return false;
-}
-
 }  // anonymous namespace
 
 namespace google_util {
@@ -179,25 +153,6 @@ bool GetReactivationBrand(std::string* brand) {
 
 #endif
 
-string16 GetSearchTermsFromGoogleSearchURL(const std::string& url) {
-  if (!IsInstantExtendedAPIGoogleSearchUrl(url))
-    return string16();
-
-  url_parse::Parsed parsed_url;
-  url_parse::ParseStandardURL(url.c_str(), url.length(), &parsed_url);
-
-  string16 search_terms;
-  // The search terms can be in either the query or ref component - for
-  // instance, in a regular Google search they'll be in the query but in a
-  // Google Instant search they can be in both. The ref is the correct one to
-  // return in this case, so test the ref component first.
-  if (ExtractSearchTermsFromComponent(url, &parsed_url.ref, &search_terms) ||
-      ExtractSearchTermsFromComponent(url, &parsed_url.query, &search_terms)) {
-    return search_terms;
-  }
-  return string16();
-}
-
 bool IsGoogleDomainUrl(const std::string& url,
                        SubdomainPermission subdomain_permission,
                        PortPermission port_permission) {