Expose SPDY pushes in DevTools

chrome/browser/devtools/devtools_sanity_browsertest.cc

Index: chrome/browser/devtools/devtools_sanity_browsertest.cc
diff --git a/chrome/browser/devtools/devtools_sanity_browsertest.cc b/chrome/browser/devtools/devtools_sanity_browsertest.cc
index 5144111dcb448e53d70caea6f5a726b34e761137..fe6a1e45e408a1a05c2cd0a750b4681b2bf96903 100644
--- a/chrome/browser/devtools/devtools_sanity_browsertest.cc
+++ b/chrome/browser/devtools/devtools_sanity_browsertest.cc
@@ -8,6 +8,7 @@
 #include "base/cancelable_callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
+#include "base/files/file_path.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ -64,9 +65,14 @@
 #include "extensions/common/value_builder.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
+#include "net/test/url_request/url_request_mock_http_job.h"
+#include "net/url_request/url_request_context.h"
+#include "net/url_request/url_request_filter.h"
+#include "net/url_request/url_request_http_job.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/gl/gl_switches.h"
+#include "url/gurl.h"
 
 using app_modal::AppModalDialog;
 using app_modal::JavaScriptAppModalDialog;
@@ -94,6 +100,10 @@ const char kNavigateBackTestPage[] =
 const char kWindowOpenTestPage[] = "files/devtools/window_open.html";
 const char kLatencyInfoTestPage[] = "files/devtools/latency_info.html";
 const char kChunkedTestPage[] = "chunked";
+const char kPushTestPage[] = "files/devtools/push_test_page.html";
+// The resource is not really pushed, but mock url request job pretends it is.
+const char kPushTestResource[] = "devtools/image.png";
+const char kPushUseNullEndTime[] = "pushUseNullEndTime";
 const char kSlowTestPage[] =
     "chunked?waitBeforeHeaders=100&waitBetweenChunks=100&chunksNumber=2";
 const char kSharedWorkerTestPage[] =
@@ -165,6 +175,83 @@ void SwitchToExtensionPanel(DevToolsWindow* window,
   SwitchToPanel(window, (prefix + panel_name).c_str());
 }
 
+class PushTimesMockURLRequestJob : public net::URLRequestMockHTTPJob {
+ public:
+  PushTimesMockURLRequestJob(net::URLRequest* request,
+                             net::NetworkDelegate* network_delegate,
+                             base::FilePath file_path)
+      : net::URLRequestMockHTTPJob(
+            request,
+            network_delegate,
+            file_path,
+            BrowserThread::GetBlockingPool()->GetTaskRunnerWithShutdownBehavior(
+                base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)) {}
+
+  void Start() override {
+    load_timing_info_.socket_reused = true;
+    load_timing_info_.request_start_time = base::Time::Now();
+    load_timing_info_.request_start = base::TimeTicks::Now();
+    load_timing_info_.send_start = base::TimeTicks::Now();
+    load_timing_info_.send_end = base::TimeTicks::Now();
+    load_timing_info_.receive_headers_end = base::TimeTicks::Now();
+
+    net::URLRequestMockHTTPJob::Start();
+  }
+
+  void GetLoadTimingInfo(net::LoadTimingInfo* load_timing_info) const override {
+    load_timing_info_.push_start = load_timing_info_.request_start -
+                                   base::TimeDelta::FromMilliseconds(100);
+    if (load_timing_info_.push_end.is_null() &&
+        request()->url().query() != kPushUseNullEndTime) {
+      load_timing_info_.push_end = base::TimeTicks::Now();
+    }
+    *load_timing_info = load_timing_info_;
+  }
+
+ private:
+  mutable net::LoadTimingInfo load_timing_info_;
+  DISALLOW_COPY_AND_ASSIGN(PushTimesMockURLRequestJob);
+};
+
+class TestInterceptor : public net::URLRequestInterceptor {
+ public:
+  // Creates TestInterceptor and registers it with the URLRequestFilter,
+  // which takes ownership of it.
+  static void Register(const GURL& url, const base::FilePath& file_path) {
+    EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
+    net::URLRequestFilter::GetInstance()->AddHostnameInterceptor(
+        url.scheme(), url.host(),
+        make_scoped_ptr(new TestInterceptor(url, file_path)));
+  }
+
+  // Unregisters previously created TestInterceptor, which should delete it.
+  static void Unregister(const GURL& url) {
+    EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
+    net::URLRequestFilter::GetInstance()->RemoveHostnameHandler(url.scheme(),
+                                                                url.host());
+  }
+
+  // net::URLRequestJobFactory::ProtocolHandler implementation:
+  net::URLRequestJob* MaybeInterceptRequest(
+      net::URLRequest* request,
+      net::NetworkDelegate* network_delegate) const override {
+    EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
+    if (request->url().path() != url_.path())
+      return nullptr;
+    return new PushTimesMockURLRequestJob(request, network_delegate,
+                                          file_path_);
+  }
+
+ private:
+  TestInterceptor(const GURL& url, const base::FilePath& file_path)
+      : url_(url), file_path_(file_path) {}
+
+  const GURL url_;
+  const base::FilePath file_path_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestInterceptor);
+};
+
 }  // namespace
 
 class DevToolsSanityTest : public InProcessBrowserTest {
@@ -942,6 +1029,25 @@ IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestNetworkRawHeadersText) {
   RunTest("testNetworkRawHeadersText", kChunkedTestPage);
 }
 
+// Tests raw headers text.

[dgozman, 2016/04/15 21:13:16]

Wrong comment. Just remove it.

+IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestNetworkPushTime) {
+  OpenDevToolsWindow(kPushTestPage, false);
+  GURL push_url = spawned_test_server()->GetURL(kPushTestResource);
+  base::FilePath file_path =
+      spawned_test_server()->document_root().AppendASCII(kPushTestResource);
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&TestInterceptor::Register, push_url, file_path));
+
+  DispatchOnTestSuite(window_, "testPushTimes", push_url.spec().c_str());
+
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(&TestInterceptor::Unregister, push_url));
+
+  CloseDevToolsWindow();
+}
+
 // Tests that console messages are not duplicated on navigation back.
 #if defined(OS_WIN)
 // Flaking on windows swarm try runs: crbug.com/409285.