Another performance improvement for phone library - at least +25% to previous cl (982ms for 100 i...

chrome/browser/autofill/phone_number_i18n.h

Index: chrome/browser/autofill/phone_number_i18n.h
===================================================================
--- chrome/browser/autofill/phone_number_i18n.h	(revision 90107)
+++ chrome/browser/autofill/phone_number_i18n.h	(working copy)
@@ -10,10 +10,16 @@
 #include <vector>
 
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 
+namespace i18n {
+namespace phonenumbers {
+class PhoneNumber;
+}
+}
+
 // Utilities to process, normalize and compare international phone numbers.
-
 namespace autofill_i18n {
 
 // Most of the following functions require |locale| to operate. The |locale| is
@@ -88,6 +94,36 @@
                        const string16& number_b,
                        const std::string& country_code);
 
+// The cached phone number, does parsing only once, improves performance.
+class PhoneObject {
+ public:
+  PhoneObject(const string16& number, const std::string& locale);
+  PhoneObject(const PhoneObject&);
+  PhoneObject();
+  ~PhoneObject();
+
+  string16 GetCountryCode() const { return country_code_; }
+  string16 GetCityCode() const { return city_code_; }
+  string16 GetNumber() const { return number_; }
+  std::string GetLocale() const { return locale_; }
+
+  string16 GetWholeNumber() const;
+
+  PhoneMatch ComparePhones(const string16& phone) const;
+
+  PhoneObject& operator=(const PhoneObject& other);
+
+  bool IsValidNumber() const { return i18n_number_ != NULL; }
+
+ private:
+  string16 city_code_;
+  string16 country_code_;
+  string16 number_;
+  mutable string16 whole_number_;  // Set on first request.
+  std::string locale_;
+  scoped_ptr<i18n::phonenumbers::PhoneNumber> i18n_number_;
+};
+
 }  // namespace autofill_i18n
 
 #endif  // CHROME_BROWSER_AUTOFILL_PHONE_NUMBER_I18N_H_