Properly throw java exceptions from shouldOverrideUrlLoading

android_webview/browser/aw_content_browser_client.cc

Index: android_webview/browser/aw_content_browser_client.cc
diff --git a/android_webview/browser/aw_content_browser_client.cc b/android_webview/browser/aw_content_browser_client.cc
index df161d1dd6975c87b7e6bbf2219af52930c58e60..ff00820da9e4a0720f0027055df1956d60ff8487 100644
--- a/android_webview/browser/aw_content_browser_client.cc
+++ b/android_webview/browser/aw_content_browser_client.cc
@@ -130,6 +130,8 @@ void AwContentsMessageFilter::OnShouldOverrideUrlLoading(
   if (client) {
     *ignore_navigation = client->ShouldOverrideUrlLoading(
         url, has_user_gesture, is_redirect, is_main_frame);
+    // If the shouldOverrideUrlLoading call caused a java exception we should
+    // always return immediately here!
   } else {
     LOG(WARNING) << "Failed to find the associated render view host for url: "
                  << url;