Rewrite guts of ResourceLoader and BufferedResourceHandler to suck less.

content/browser/renderer_host/resource_dispatcher_host_unittest.cc

Index: content/browser/renderer_host/resource_dispatcher_host_unittest.cc
===================================================================
--- content/browser/renderer_host/resource_dispatcher_host_unittest.cc	(revision 144275)
+++ content/browser/renderer_host/resource_dispatcher_host_unittest.cc	(working copy)
@@ -1253,6 +1253,7 @@
 
 // Tests that we don't sniff the mime type when there is no message body.
 TEST_F(ResourceDispatcherHostTest, MimeNotSniffed2) {
+
   EXPECT_EQ(0, host_.GetOutstandingRequestsMemoryCost(0));
 
   std::string response("HTTP/1.1 304 Not Modified\n\n");
@@ -1306,6 +1307,33 @@
   ASSERT_EQ("text/plain", response_head.mime_type);
 }
 
+TEST_F(ResourceDispatcherHostTest, MimeSniffEmpty) {
+  EXPECT_EQ(0, host_.GetOutstandingRequestsMemoryCost(0));
+
+  std::string response("HTTP/1.1 200 OK\n\n");
+  std::string raw_headers(net::HttpUtil::AssembleRawHeaders(response.data(),
+                                                            response.size()));
+  std::string response_data;
+  SetResponse(raw_headers, response_data);
+
+  HandleScheme("http");
+  MakeTestRequest(0, 1, GURL("http:bla"));
+
+  // Flush all pending requests.
+  while (net::URLRequestTestJob::ProcessOnePendingMessage()) {}
+
+  EXPECT_EQ(0, host_.GetOutstandingRequestsMemoryCost(0));
+
+  // Sorts out all the messages we saw by request.
+  ResourceIPCAccumulator::ClassifiedMessages msgs;
+  accum_.GetClassifiedMessages(&msgs);
+  ASSERT_EQ(1U, msgs.size());
+
+  content::ResourceResponseHead response_head;
+  GetResponseHead(msgs[0], &response_head);
+  ASSERT_EQ("text/plain", response_head.mime_type);
+}
+
 // Tests for crbug.com/31266 (Non-2xx + application/octet-stream).
 TEST_F(ResourceDispatcherHostTest, ForbiddenDownload) {
   EXPECT_EQ(0, host_.GetOutstandingRequestsMemoryCost(0));