[Mojo-Loading] Implement "Site Isolation Stats Gathering" feature

content/child/site_isolation_stats_gatherer_browsertest.cc

Index: content/child/site_isolation_stats_gatherer_browsertest.cc
diff --git a/content/child/site_isolation_stats_gatherer_browsertest.cc b/content/child/site_isolation_stats_gatherer_browsertest.cc
index 9150a97a046ab302d62251d72f585819fb6dc4ae..83be84591d651fc59532827f1b4bcc82feadf1a6 100644
--- a/content/child/site_isolation_stats_gatherer_browsertest.cc
+++ b/content/child/site_isolation_stats_gatherer_browsertest.cc
@@ -23,7 +23,9 @@ namespace content {
 // resources from other websites, not constrained by the Same Origin Policy.  We
 // are trying to verify that the renderer cannot fetch any cross-site document
 // responses even when the Same Origin Policy is turned off inside the renderer.
-class SiteIsolationStatsGathererBrowserTest : public ContentBrowserTest {
+class SiteIsolationStatsGathererBrowserTest
+    : public ContentBrowserTest,
+      public testing::WithParamInterface<bool> {
  public:
   SiteIsolationStatsGathererBrowserTest() {}
   ~SiteIsolationStatsGathererBrowserTest() override {}
@@ -46,6 +48,11 @@ class SiteIsolationStatsGathererBrowserTest : public ContentBrowserTest {
     // Since we assume exploited renderer process, it can bypass the same origin
     // policy at will. Simulate that by passing the disable-web-security flag.
     command_line->AppendSwitch(switches::kDisableWebSecurity);
+
+    if (GetParam()) {
+      command_line->AppendSwitchASCII("--enable-blink-features",
+                                      "LoadingWithMojo");
+    }
   }
 
   void SetUpOnMainThread() override {
@@ -124,7 +131,7 @@ class SiteIsolationStatsGathererBrowserTest : public ContentBrowserTest {
   DISALLOW_COPY_AND_ASSIGN(SiteIsolationStatsGathererBrowserTest);
 };
 
-IN_PROC_BROWSER_TEST_F(SiteIsolationStatsGathererBrowserTest,
+IN_PROC_BROWSER_TEST_P(SiteIsolationStatsGathererBrowserTest,
                        CrossSiteDocumentBlockingForMimeType) {
   // Load a page that issues illegal cross-site document requests to bar.com.
   // The page uses XHR to request HTML/XML/JSON documents from bar.com, and
@@ -193,7 +200,7 @@ IN_PROC_BROWSER_TEST_F(SiteIsolationStatsGathererBrowserTest,
   }
 }
 
-IN_PROC_BROWSER_TEST_F(SiteIsolationStatsGathererBrowserTest,
+IN_PROC_BROWSER_TEST_P(SiteIsolationStatsGathererBrowserTest,
                        CrossSiteDocumentBlockingForDifferentTargets) {
   // This webpage loads a cross-site HTML page in different targets such as
   // <img>,<link>,<embed>, etc. Since the requested document is blocked, and one
@@ -208,4 +215,8 @@ IN_PROC_BROWSER_TEST_F(SiteIsolationStatsGathererBrowserTest,
   NavigateToURL(shell(), foo);
 }
 
+INSTANTIATE_TEST_CASE_P(SiteIsolationStatsGathererBrowserTest,
+                        SiteIsolationStatsGathererBrowserTest,
+                        ::testing::Values(false, true));
+
 }  // namespace content