optimize nsCookie a tad by not storing an isDomain parameter.

b=223289 r+sr=darin

netwerk/cookie/src/nsCookie.cpp

@@ -90,7 +90,6 @@ nsCookie::nsCookie(const nsACString &aName,
                    nsInt64          aExpiry,
                    nsInt64          aLastAccessed,
                    PRBool           aIsSession,
-                   PRBool           aIsDomain,
                    PRBool           aIsSecure,
                    nsCookieStatus   aStatus,
                    nsCookiePolicy   aPolicy)
@@ -99,7 +98,6 @@ nsCookie::nsCookie(const nsACString &aName,
  , mLastAccessed(aLastAccessed)
  , mRefCnt(0)
  , mIsSession(aIsSession != PR_FALSE)
- , mIsDomain(aIsDomain != PR_FALSE)
  , mIsSecure(aIsSecure != PR_FALSE)
  , mStatus(aStatus)
  , mPolicy(aPolicy)

netwerk/cookie/src/nsCookie.h

@@ -76,7 +76,6 @@ class nsCookie : public nsICookie2
              nsInt64          aExpiry,
              nsInt64          aLastAccessed,
              PRBool           aIsSession,
-             PRBool           aIsDomain,
              PRBool           aIsSecure,
              nsCookieStatus   aStatus,
              nsCookiePolicy   aPolicy);
@@ -92,7 +91,7 @@ class nsCookie : public nsICookie2
     inline nsInt64 Expiry()                 const { NS_ASSERTION(!IsSession(), "can't get expiry time for a session cookie"); return mExpiry; }
     inline nsInt64 LastAccessed()           const { return mLastAccessed; }
     inline PRBool IsSession()               const { return mIsSession; }
-    inline PRBool IsDomain()                const { return mIsDomain; }
+    inline PRBool IsDomain()                const { return *mHost == '.'; }
     inline PRBool IsSecure()                const { return mIsSecure; }
     inline nsCookieStatus Status()          const { return mStatus; }
     inline nsCookiePolicy Policy()          const { return mPolicy; }
@@ -122,7 +121,6 @@ class nsCookie : public nsICookie2
     nsInt64  mLastAccessed;
     PRUint32 mRefCnt    : 16;
     PRUint32 mIsSession : 1;
-    PRUint32 mIsDomain  : 1;
     PRUint32 mIsSecure  : 1;
     PRUint32 mStatus    : 3;
     PRUint32 mPolicy    : 3;

netwerk/cookie/src/nsCookieService.cpp

@@ -137,7 +137,6 @@ struct nsCookieAttributes
   nsInt64 expiryTime;
   PRBool isSession;
   PRBool isSecure;
-  PRBool isDomain;
 };
 
 // stores linked list iteration state, and provides a rudimentary
@@ -931,7 +930,7 @@ nsCookieService::Add(const nsACString &aDomain,
   nsRefPtr<nsCookie> cookie =
     new nsCookie(aName, aValue, aDomain, aPath,
                  nsInt64(aExpires), currentTime,
-                 nsInt64(aExpires) == nsInt64(0), PR_TRUE, aIsSecure,
+                 nsInt64(aExpires) == nsInt64(0), aIsSecure,
                  nsICookie::STATUS_UNKNOWN,
                  nsICookie::POLICY_UNKNOWN);
   if (!cookie) {
@@ -1070,7 +1069,6 @@ nsCookieService::Read()
                    nsInt64(expires),
                    lastAccessedCounter,
                    PR_FALSE,
-                   isDomain,
                    Substring(buffer, secureIndex, expiresIndex - secureIndex - 1).Equals(kTrue),
                    nsICookie::STATUS_UNKNOWN,
                    nsICookie::POLICY_UNKNOWN);
@@ -1248,7 +1246,6 @@ nsCookieService::SetCookieInternal(nsIURI             *aHostURI,
                  cookieAttributes.expiryTime,
                  currentTime,
                  cookieAttributes.isSession,
-                 cookieAttributes.isDomain,
                  cookieAttributes.isSecure,
                  aStatus,
                  aPolicy);
@@ -1904,6 +1901,7 @@ nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
 
   // if a domain is given, check the host has permission
   if (!aCookieAttributes.host.IsEmpty()) {
+    aCookieAttributes.host.Trim(".");
     // switch to lowercase now, to avoid case-insensitive compares everywhere
     ToLowerCase(aCookieAttributes.host);
 
@@ -1913,7 +1911,6 @@ nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
     // funkiness (e.g. the alias 127.1 domain-matching 99.54.127.1).
     // bug 105917 originally noted the requirement to deal with IP addresses.
     if (IsIPAddress(aCookieAttributes.host)) {
-      aCookieAttributes.isDomain = PR_FALSE;
       return IsInDomain(aCookieAttributes.host, hostFromURI, PR_FALSE);
     }
 
@@ -1923,7 +1920,6 @@ nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
      * that a domain have at least one embedded period to prevent domains of the form
      * ".com" and ".edu"
      */
-    aCookieAttributes.host.Trim(".");
     PRInt32 dot = aCookieAttributes.host.FindChar('.');
     if (dot == kNotFound) {
       // fail dot test
@@ -1931,7 +1927,6 @@ nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
     }
 
     // prepend a dot, and check if the host is in the domain
-    aCookieAttributes.isDomain = PR_TRUE;
     aCookieAttributes.host.Insert(NS_LITERAL_CSTRING("."), 0);
     if (!IsInDomain(aCookieAttributes.host, hostFromURI)) {
       return PR_FALSE;
@@ -1959,7 +1954,6 @@ nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
 
   // no domain specified, use hostFromURI
   } else {
-    aCookieAttributes.isDomain = PR_FALSE;
     aCookieAttributes.host = hostFromURI;
   }