Add DumpWithoutCrashing in RendererDidNavigateToExistingPage

content/browser/frame_host/navigation_controller_impl.cc

Index: content/browser/frame_host/navigation_controller_impl.cc
diff --git a/content/browser/frame_host/navigation_controller_impl.cc b/content/browser/frame_host/navigation_controller_impl.cc
index 23de865a73e75b4a998768641394ad70a35f4c71..b0726921732ae503457b5659721fa912ad934002 100644
--- a/content/browser/frame_host/navigation_controller_impl.cc
+++ b/content/browser/frame_host/navigation_controller_impl.cc
@@ -39,6 +39,7 @@
 
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "base/debug/alias.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ -1209,6 +1210,26 @@ void NavigationControllerImpl::RendererDidNavigateToExistingPage(
     // meanwhile and no new page was created. We are stuck at the last committed
     // entry.
     entry = GetLastCommittedEntry();
+    // TODO(estark): remove this DumpWithoutCrashing after investigating
+    // https://crbug.com/688425.
+    if (entry &&
+        !url::Origin(entry->GetURL())
+             .IsSameOriginWith(url::Origin(params.url))) {
+      std::string debug_info =
+          std::string(is_in_page ? "Is in page, " : "Is not in page, ") +
+          std::string(params.nav_entry_id ? "has nav entry id, "
+                                          : "does not have nav entry id, ") +
+          std::string(params.did_create_new_entry
+                          ? "did create new entry, "
+                          : "did not create new entry, ") +
+          std::string(params.should_replace_current_entry
+                          ? "should replace current entry "
+                          : "should not replace current entry");
+      char debug_buf[200];
+      base::strlcpy(debug_buf, debug_info.c_str(), arraysize(debug_buf));
+      base::debug::Alias(&debug_buf);
+      base::debug::DumpWithoutCrashing();
+    }
   } else if (params.nav_entry_id) {
     // This is a browser-initiated navigation (back/forward/reload).
     entry = GetEntryWithUniqueID(params.nav_entry_id);