WebView loadDataWithBaseURL() was determined as a same page navigation

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index db32736ca58f9d910e5289cb1e3575e669aceafc..842769b737b46729d10e0f8b1ecd2459accf6093 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -2025,6 +2025,10 @@ void WebLocalFrameImpl::loadData(const WebData& data,
   if (replace && !unreachableURL.isEmpty() &&
       frame()->loader().provisionalDocumentLoader())
     request = frame()->loader().provisionalDocumentLoader()->originalRequest();
+  // TODO(crbug.com/662823): Calling setURL with baseURL is wrong, but Blink
+  // does not provide a right solution to set base URL at loading time now.
+  // This may cause some troubles, e.g. FrameLoader can not detect the same page
+  // navigation correctly as far as we know.
   request.setURL(baseURL);
   request.setCheckForBrowserSideNavigation(false);