Allow view-source of pages fully-blocked by Blink's XSS filter.

chrome/browser/ui/browser_commands.cc

Index: chrome/browser/ui/browser_commands.cc
diff --git a/chrome/browser/ui/browser_commands.cc b/chrome/browser/ui/browser_commands.cc
index 37da6f327e5dbc11213e05c12733f9415a7b088f..51d6964fb875968b7e2a8dfcad6c89c4c409b0df 100644
--- a/chrome/browser/ui/browser_commands.cc
+++ b/chrome/browser/ui/browser_commands.cc
@@ -1146,6 +1146,14 @@ void ViewSource(Browser* browser, WebContents* contents) {
   if (!entry)
     return;
 
+  // If blink sent us to its blocked-page URL, show the source of the previous

[brettw, 2014/06/18 21:51:41]

Can this explain in more detail what happens when Blink blocks the page? This is
kind of subtle...

[Tom Sepez, 2014/06/18 22:13:22]

Done.

+  // page (which generated the block) instead.
+  if (entry->GetURL() == GURL("data:,")) {
+    NavigationEntry* previous = contents->GetController().GetEntryAtOffset(-1);
+    if (previous && previous->GetXssDetected())
+      entry = previous;
+  }
+
   ViewSource(browser, contents, entry->GetURL(), entry->GetPageState());
 }