[net/http auth] Cleanup. Method names, and constness.

net/http/http_auth_handler_mock.h

Index: net/http/http_auth_handler_mock.h
diff --git a/net/http/http_auth_handler_mock.h b/net/http/http_auth_handler_mock.h
index 3518638f9a9f04cfb3c67c5621bcdbb9cd6d9453..63ddd6b03ac02b1a4b9763eea9b9cc78d389ad9d 100644
--- a/net/http/http_auth_handler_mock.h
+++ b/net/http/http_auth_handler_mock.h
@@ -36,7 +36,7 @@ class HttpAuthHandlerMock : public HttpAuthHandler {
     bool HaveAuthHandlers(HttpAuth::Target) const;
 
     // HttpAuthHandlerFactory:
-    int CreateAuthHandler(HttpAuthChallengeTokenizer* challenge,
+    int CreateAuthHandler(const HttpAuthChallengeTokenizer& challenge,
                           HttpAuth::Target target,
                           const GURL& origin,
                           CreateReason reason,
@@ -83,16 +83,16 @@ class HttpAuthHandlerMock : public HttpAuthHandler {
 
   // HttpAuthHandler:
   HttpAuth::AuthorizationResult HandleAnotherChallenge(
-      HttpAuthChallengeTokenizer* challenge) override;
+      const HttpAuthChallengeTokenizer& challenge) override;
   bool NeedsIdentity() override;
   bool AllowsDefaultCredentials() override;
   bool AllowsExplicitCredentials() override;
 
  protected:
-  bool Init(HttpAuthChallengeTokenizer* challenge) override;
+  int Init(const HttpAuthChallengeTokenizer& challenge) override;
 
   int GenerateAuthTokenImpl(const AuthCredentials* credentials,
-                            const HttpRequestInfo* request,
+                            const HttpRequestInfo& request,
                             const CompletionCallback& callback,
                             std::string* auth_token) override;