Fix window.open issue in Document mode on Android.

chrome/browser/android/chrome_web_contents_delegate_android.cc

Index: chrome/browser/android/chrome_web_contents_delegate_android.cc
diff --git a/chrome/browser/android/chrome_web_contents_delegate_android.cc b/chrome/browser/android/chrome_web_contents_delegate_android.cc
index ecc988db5ce157217c62eee5d0aeee3fe6cf0344..7867ae17c1060cff6fe50d4955f6674dbd051156 100644
--- a/chrome/browser/android/chrome_web_contents_delegate_android.cc
+++ b/chrome/browser/android/chrome_web_contents_delegate_android.cc
@@ -7,6 +7,7 @@
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
+#include "chrome/browser/android/feature_utilities.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
@@ -305,6 +306,11 @@ WebContents* ChromeWebContentsDelegateAndroid::OpenURLFromTab(
   return WebContentsDelegateAndroid::OpenURLFromTab(source, params);
 }
 
+bool ChromeWebContentsDelegateAndroid::ShouldResumeRequestsForCreatedWindow() {
+  return chrome::android::GetDocumentModeValue() ==
+      chrome::android::RUNNING_MODE_TABBED_MODE;
+}
+
 void ChromeWebContentsDelegateAndroid::AddNewContents(
     WebContents* source,
     WebContents* new_contents,