Adding a flag to enable faster reporting API reports

This CL intends to allow integration tests (for HTTPS server previews)
to test end-to-end behavior of reporting to the right end point. Instead
of waiting a minute for the test to finish, having a faster delay is
preferable.

Bug: 931411
Change-Id: I828d51f1b2faecbbd8dc38fd75d6f39e8fa9655f
Reviewed-on: https://chromium-review.googlesource.com/c/1471214Reviewed-by: Matt Menke <mmenke@chromium.org>
Commit-Queue: Ryan Sturm <ryansturm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#632336}

chrome/browser/net/profile_network_context_service.cc

@@ -7,6 +7,7 @@
 #include <string>
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ -24,6 +25,7 @@
 #include "chrome/common/chrome_content_client.h"
 #include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_paths_internal.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/certificate_transparency/pref_names.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
@@ -378,6 +380,12 @@ ProfileNetworkContextService::CreateNetworkContextParams(
   network_context_params->accept_language = ComputeAcceptLanguage();
   network_context_params->enable_referrers = enable_referrers_.GetValue();
 
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(switches::kShortReportingDelay)) {
+    network_context_params->reporting_delivery_interval =
+        base::TimeDelta::FromMilliseconds(100);
+  }
+
   // Always enable the HTTP cache.
   network_context_params->http_cache_enabled = true;
 

chrome/common/chrome_switches.cc

@@ -551,6 +551,9 @@ const char kRestoreLastSession[]            = "restore-last-session";
 // See http://crbug.com/120416 for how to remove this switch.
 const char kSavePageAsMHTML[]               = "save-page-as-mhtml";
 
+// Sets the Reporting API delay to under a second to allow much quicker reports.
+const char kShortReportingDelay[] = "short-reporting-delay";
+
 // If true the app list will be shown.
 const char kShowAppList[]                   = "show-app-list";
 

chrome/common/chrome_switches.h

@@ -163,6 +163,7 @@ extern const char kProxyPacUrl[];
 extern const char kRemoteDebuggingTargets[];
 extern const char kRestoreLastSession[];
 extern const char kSavePageAsMHTML[];
+extern const char kShortReportingDelay[];
 extern const char kShowAppList[];
 extern const char kSilentDebuggerExtensionAPI[];
 extern const char kSilentLaunch[];