Misc. cleanup:

chrome/browser/google/google_util.cc

Index: chrome/browser/google/google_util.cc
===================================================================
--- chrome/browser/google/google_util.cc	(revision 209004)
+++ chrome/browser/google/google_util.cc	(working copy)
@@ -35,16 +35,25 @@
 #define LINKDOCTOR_SERVER_REQUEST_URL std::string()
 #endif
 
+
+// Helpers --------------------------------------------------------------------
+
 namespace {
 
 const char* brand_for_testing = NULL;
-
 bool gUseMockLinkDoctorBaseURLForTesting = false;
 
-}  // anonymous namespace
+bool IsPathHomePageBase(const std::string& path) {
+  return (path == "/") || (path == "/webhp");
+}
 
+}  // namespace
+
+
 namespace google_util {
 
+// Global functions -----------------------------------------------------------
+
 bool HasGoogleSearchQueryParam(const std::string& str) {
   url_parse::Component query(0, str.length()), key, value;
   while (url_parse::ExtractQueryKeyValue(str.c_str(), &query, &key,
@@ -65,15 +74,6 @@
   gUseMockLinkDoctorBaseURLForTesting = true;
 }
 
-BrandForTesting::BrandForTesting(const std::string& brand) : brand_(brand) {
-  DCHECK(brand_for_testing == NULL);
-  brand_for_testing = brand_.c_str();
-}
-
-BrandForTesting::~BrandForTesting() {
-  brand_for_testing = NULL;
-}
-
 GURL AppendGoogleLocaleParam(const GURL& url) {
   // Google does not yet recognize 'nb' for Norwegian Bokmal, but it uses
   // 'no' for that.
@@ -152,14 +152,6 @@
 
 #endif
 
-bool IsGoogleDomainUrl(const GURL& url,
-                       SubdomainPermission subdomain_permission,
-                       PortPermission port_permission) {
-  return url.is_valid() && (url.SchemeIs("http") || url.SchemeIs("https")) &&
-      (url.port().empty() || (port_permission == ALLOW_NON_STANDARD_PORTS)) &&
-      google_util::IsGoogleHostname(url.host(), subdomain_permission);
-}
-
 bool IsGoogleHostname(const std::string& host,
                       SubdomainPermission subdomain_permission) {
   size_t tld_length = net::registry_controlled_domains::GetRegistryLength(
@@ -176,6 +168,14 @@
   return LowerCaseEqualsASCII(host_minus_tld, "www.google.");
 }
 
+bool IsGoogleDomainUrl(const GURL& url,
+                       SubdomainPermission subdomain_permission,
+                       PortPermission port_permission) {
+  return url.is_valid() && (url.SchemeIs("http") || url.SchemeIs("https")) &&
+      (url.port().empty() || (port_permission == ALLOW_NON_STANDARD_PORTS)) &&
+      google_util::IsGoogleHostname(url.host(), subdomain_permission);
+}
+
 bool IsGoogleHomePageUrl(const GURL& url) {
   // First check to see if this has a Google domain.
   if (!IsGoogleDomainUrl(url, DISALLOW_SUBDOMAIN, DISALLOW_NON_STANDARD_PORTS))
@@ -183,12 +183,7 @@
 
   // Make sure the path is a known home page path.
   std::string path(url.path());
-  if (path != "/" && path != "/webhp" &&
-      !StartsWithASCII(path, "/ig", false)) {
-    return false;
-  }
-
-  return true;
+  return IsPathHomePageBase(path) || StartsWithASCII(path, "/ig", false);
 }
 
 bool IsGoogleSearchUrl(const GURL& url) {
@@ -198,25 +193,14 @@
 
   // Make sure the path is a known search path.
   std::string path(url.path());
-  bool has_valid_path = false;
-  bool is_home_page_base = false;
-  if (path == "/search") {
-    has_valid_path = true;
-  } else if (path == "/webhp" || path == "/") {
-    // Note that we allow both "/" and "" paths, but GURL spits them
-    // both out as just "/".
-    has_valid_path = true;
-    is_home_page_base = true;
-  }
-  if (!has_valid_path)
+  bool is_home_page_base = IsPathHomePageBase(path);
+  if (!is_home_page_base && (path != "/search"))
     return false;
 
   // Check for query parameter in URL parameter and hash fragment, depending on
   // the path type.
-  std::string query(url.query());
-  std::string ref(url.ref());
-  return HasGoogleSearchQueryParam(ref) ||
-      (!is_home_page_base && HasGoogleSearchQueryParam(query));
+  return HasGoogleSearchQueryParam(url.ref()) ||
+      (!is_home_page_base && HasGoogleSearchQueryParam(url.query()));
 }
 
 bool IsOrganic(const std::string& brand) {
@@ -280,4 +264,17 @@
   return found != end;
 }
 
+
+// BrandForTesting ------------------------------------------------------------
+
+BrandForTesting::BrandForTesting(const std::string& brand) : brand_(brand) {
+  DCHECK(brand_for_testing == NULL);
+  brand_for_testing = brand_.c_str();
+}
+
+BrandForTesting::~BrandForTesting() {
+  brand_for_testing = NULL;
+}
+
+
 }  // namespace google_util