PlzNavigate: don't stop all loaders when renderer-initiated nav fails

third_party/WebKit/Source/core/loader/FrameLoader.cpp

Index: third_party/WebKit/Source/core/loader/FrameLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameLoader.cpp b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
index f108a6c88c12da44aaeccb5f074de389cf29677e..b6f22192d67e785774c4f781674bf3357056e463 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
@@ -1590,6 +1590,13 @@ NavigationPolicy FrameLoader::shouldContinueForNavigationPolicy(
   return NavigationPolicyIgnore;
 }
 
+void FrameLoader::clientDroppedNavigation() {
+  if (!m_provisionalDocumentLoader || m_provisionalDocumentLoader->didStart())
+    return;
+
+  detachDocumentLoader(m_provisionalDocumentLoader);
+}
+
 NavigationPolicy FrameLoader::checkLoadCanStart(
     FrameLoadRequest& frameLoadRequest,
     FrameLoadType type,