PlzNavigate: Enforce frame-src CSP on the browser.

content/browser/site_per_process_browsertest.cc

Index: content/browser/site_per_process_browsertest.cc
diff --git a/content/browser/site_per_process_browsertest.cc b/content/browser/site_per_process_browsertest.cc
index 2a89fe80209232bc83a4006d07f4be81294b499e..0b3a97f754e0523466bf90da8a4615b5414e35cb 100644
--- a/content/browser/site_per_process_browsertest.cc
+++ b/content/browser/site_per_process_browsertest.cc
@@ -2316,7 +2316,7 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest, ProcessTransferAfterError) {
   // of the API), but the frame's last_successful_url shouldn't change and the
   // origin should be empty.
   // PlzNavigate: We have switched RenderFrameHosts for the subframe, so the
-  // last succesful url should be empty (since the frame only loaded an error
+  // last successful url should be empty (since the frame only loaded an error
   // page).
   if (IsBrowserSideNavigationEnabled())
     EXPECT_EQ(GURL(), child->current_frame_host()->last_successful_url());
@@ -7168,15 +7168,39 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest,
     load_observer.Wait();
   }
 
-  // The blocked frame should stay at the old location.
-  EXPECT_EQ(old_subframe_url, root->child_at(0)->current_url());
+  if (IsBrowserSideNavigationEnabled()) {
+    // We have switched RenderFrameHosts for the subframe, so the last
+    // successful url should be empty (since the frame only loaded an error
+    // page).
+    EXPECT_EQ(GURL(),
+              root->child_at(0)->current_frame_host()->last_successful_url());
+
+    // The blocked frame should go to an error page. Errors currently commit
+    // with the URL of the blocked page.
+    EXPECT_EQ(blocked_url, root->child_at(0)->current_url());
+
+    // The page should get the title of an error page (i.e "") and not the
+    // title of the blocked page.
+    std::string frame_title;
+    EXPECT_TRUE(ExecuteScriptAndExtractString(
+        root->child_at(0), "domAutomationController.send(document.title)",
+        &frame_title));
+    EXPECT_EQ("", frame_title);
+  } else {
+    // The last successful url shouldn't be the blocked url.
+    EXPECT_EQ(old_subframe_url,
+              root->child_at(0)->current_frame_host()->last_successful_url());
 
-  // The blocked frame should keep the old title.
-  std::string frame_title;
-  EXPECT_TRUE(ExecuteScriptAndExtractString(
-      root->child_at(0), "domAutomationController.send(document.title)",
-      &frame_title));
-  EXPECT_EQ("Title Of Awesomeness", frame_title);
+    // The blocked frame should stay at the old location.
+    EXPECT_EQ(old_subframe_url, root->child_at(0)->current_url());
+
+    // The blocked frame should keep the old title.
+    std::string frame_title;
+    EXPECT_TRUE(ExecuteScriptAndExtractString(
+        root->child_at(0), "domAutomationController.send(document.title)",
+        &frame_title));
+    EXPECT_EQ("Title Of Awesomeness", frame_title);
+  }
 
   // Navigate to a URL without CSP.
   EXPECT_TRUE(NavigateToURL(
@@ -7243,15 +7267,39 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest,
     load_observer2.Wait();
   }
 
-  // The blocked frame should stay at the old location.
-  EXPECT_EQ(old_subframe_url, root->child_at(0)->current_url());
+  if (IsBrowserSideNavigationEnabled()) {
+    // We have switched RenderFrameHosts for the subframe, so the last
+    // successful url should be empty (since the frame only loaded an error
+    // page).
+    EXPECT_EQ(GURL(),
+              root->child_at(0)->current_frame_host()->last_successful_url());
+
+    // The blocked frame should go to an error page. Errors currently commit
+    // with the URL of the blocked page.
+    EXPECT_EQ(blocked_url, root->child_at(0)->current_url());
+
+    // The page should get the title of an error page (i.e "") and not the
+    // title of the blocked page.
+    std::string frame_title;
+    EXPECT_TRUE(ExecuteScriptAndExtractString(
+        root->child_at(0), "domAutomationController.send(document.title)",
+        &frame_title));
+    EXPECT_EQ("", frame_title);
+  } else {
+    // The last successful url shouldn't be the blocked url.
+    EXPECT_EQ(old_subframe_url,
+              root->child_at(0)->current_frame_host()->last_successful_url());
 
-  // The blocked frame should keep the old title.
-  std::string frame_title;
-  EXPECT_TRUE(ExecuteScriptAndExtractString(
-      root->child_at(0), "domAutomationController.send(document.title)",
-      &frame_title));
-  EXPECT_EQ("Title Of Awesomeness", frame_title);
+    // The blocked frame should stay at the old location.
+    EXPECT_EQ(old_subframe_url, root->child_at(0)->current_url());
+
+    // The blocked frame should keep the old title.
+    std::string frame_title;
+    EXPECT_TRUE(ExecuteScriptAndExtractString(
+        root->child_at(0), "domAutomationController.send(document.title)",
+        &frame_title));
+    EXPECT_EQ("Title Of Awesomeness", frame_title);
+  }
 }
 
 // Test that a cross-origin frame's navigation can be blocked by CSP frame-src.
@@ -7312,15 +7360,39 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest,
     load_observer2.Wait();
   }
 
-  // The blocked frame should stay at the old location.
-  EXPECT_EQ(old_subframe_url, navigating_frame->current_url());
+  if (IsBrowserSideNavigationEnabled()) {
+    // We have switched RenderFrameHosts for the subframe, so the last
+    // successful url should be empty (since the frame only loaded an error
+    // page).
+    EXPECT_EQ(GURL(),
+              navigating_frame->current_frame_host()->last_successful_url());
+
+    // The blocked frame should go to an error page. Errors currently commit
+    // with the URL of the blocked page.
+    EXPECT_EQ(blocked_url, navigating_frame->current_url());
+
+    // The page should get the title of an error page (i.e "") and not the
+    // title of the blocked page.
+    std::string frame_title;
+    EXPECT_TRUE(ExecuteScriptAndExtractString(
+        navigating_frame, "domAutomationController.send(document.title)",
+        &frame_title));
+    EXPECT_EQ("", frame_title);
+  } else {
+    // The last successful url shouldn't be the blocked url.
+    EXPECT_EQ(old_subframe_url,
+              navigating_frame->current_frame_host()->last_successful_url());
 
-  // The blocked frame should keep the old title.
-  std::string frame_title;
-  EXPECT_TRUE(ExecuteScriptAndExtractString(
-      navigating_frame, "domAutomationController.send(document.title)",
-      &frame_title));
-  EXPECT_EQ("Title Of Awesomeness", frame_title);
+    // The blocked frame should stay at the old location.
+    EXPECT_EQ(old_subframe_url, navigating_frame->current_url());
+
+    // The blocked frame should keep the old title.
+    std::string frame_title;
+    EXPECT_TRUE(ExecuteScriptAndExtractString(
+        navigating_frame, "domAutomationController.send(document.title)",
+        &frame_title));
+    EXPECT_EQ("Title Of Awesomeness", frame_title);
+  }
 
   // Navigate the subframe to a URL without CSP.
   NavigateFrameToURL(srcdoc_frame,