Make it so net/ can be built without file:// support.

net/proxy/proxy_script_fetcher_impl_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/proxy/proxy_script_fetcher_impl.h"
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/filename_util.h"
 #include "net/base/load_flags.h"
 #include "net/base/test_completion_callback.h"
 #include "net/cert/mock_cert_verifier.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/http/transport_security_state.h"
 #include "net/ssl/ssl_config_service_defaults.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
-#include "net/url_request/file_protocol_handler.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "net/url_request/url_request_file_job.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
+#if !defined(DISABLE_FILE_SUPPORT)
+#include "net/url_request/file_protocol_handler.h"
+#endif
+
 using base::ASCIIToUTF16;
 
 namespace net {
 
 // TODO(eroman):
 //   - Test canceling an outstanding request.
 //   - Test deleting ProxyScriptFetcher while a request is in progress.
 
 namespace {
 
 const base::FilePath::CharType kDocRoot[] =
     FILE_PATH_LITERAL("net/data/proxy_script_fetcher_unittest");
 
 struct FetchResult {
   int code;
   base::string16 text;
 };
 
-// A non-mock URL request which can access http:// and file:// urls.
+// A non-mock URL request which can access http:// and file:// urls, in the case
+// the tests were built with file support.
 class RequestContext : public URLRequestContext {
  public:
   RequestContext() : storage_(this) {
     ProxyConfig no_proxy;
     storage_.set_host_resolver(scoped_ptr<HostResolver>(new MockHostResolver));
     storage_.set_cert_verifier(new MockCertVerifier);
     storage_.set_transport_security_state(new TransportSecurityState);
     storage_.set_proxy_service(ProxyService::CreateFixed(no_proxy));
     storage_.set_ssl_config_service(new SSLConfigServiceDefaults);
     storage_.set_http_server_properties(
         scoped_ptr<HttpServerProperties>(new HttpServerPropertiesImpl()));
 
     HttpNetworkSession::Params params;
     params.host_resolver = host_resolver();
     params.cert_verifier = cert_verifier();
     params.transport_security_state = transport_security_state();
     params.proxy_service = proxy_service();
     params.ssl_config_service = ssl_config_service();
     params.http_server_properties = http_server_properties();
     scoped_refptr<HttpNetworkSession> network_session(
         new HttpNetworkSession(params));
     storage_.set_http_transaction_factory(new HttpCache(
         network_session.get(), HttpCache::DefaultBackend::InMemory(0)));
     URLRequestJobFactoryImpl* job_factory = new URLRequestJobFactoryImpl();
+#if !defined(DISABLE_FILE_SUPPORT)
     job_factory->SetProtocolHandler(
         "file", new FileProtocolHandler(base::MessageLoopProxy::current()));
+#endif
     storage_.set_job_factory(job_factory);
   }
 
   virtual ~RequestContext() {
   }
 
  private:
   URLRequestContextStorage storage_;
 };
 
@@ skipping 104 matching lines @@
                      base::FilePath(kDocRoot)) {
     context_.set_network_delegate(&network_delegate_);
   }
 
  protected:
   SpawnedTestServer test_server_;
   BasicNetworkDelegate network_delegate_;
   RequestContext context_;
 };
 
+#if !defined(DISABLE_FILE_SUPPORT)
 TEST_F(ProxyScriptFetcherImplTest, FileUrl) {
   ProxyScriptFetcherImpl pac_fetcher(&context_);
 
   { // Fetch a non-existent file.
     base::string16 text;
     TestCompletionCallback callback;
     int result = pac_fetcher.Fetch(GetTestFileUrl("does-not-exist"),
                                    &text, callback.callback());
     EXPECT_EQ(ERR_IO_PENDING, result);
     EXPECT_EQ(ERR_FILE_NOT_FOUND, callback.WaitForResult());
     EXPECT_TRUE(text.empty());
   }
   { // Fetch a file that exists.
     base::string16 text;
     TestCompletionCallback callback;
     int result = pac_fetcher.Fetch(GetTestFileUrl("pac.txt"),
                                    &text, callback.callback());
     EXPECT_EQ(ERR_IO_PENDING, result);
     EXPECT_EQ(OK, callback.WaitForResult());
     EXPECT_EQ(ASCIIToUTF16("-pac.txt-\n"), text);
   }
 }
+#endif  // !defined(DISABLE_FILE_SUPPORT)
 
 // Note that all mime types are allowed for PAC file, to be consistent
 // with other browsers.
 TEST_F(ProxyScriptFetcherImplTest, HttpMimeType) {
   ASSERT_TRUE(test_server_.Start());
 
   ProxyScriptFetcherImpl pac_fetcher(&context_);
 
   { // Fetch a PAC with mime type "text/plain"
     GURL url(test_server_.GetURL("files/pac.txt"));
@@ skipping 237 matching lines @@
   {
     GURL url(kEncodedUrlBroken);
     base::string16 text;
     TestCompletionCallback callback;
     int result = pac_fetcher.Fetch(url, &text, callback.callback());
     EXPECT_EQ(ERR_FAILED, result);
   }
 }
 
 }  // namespace net