Track whether a created WebContents has a resume pending.

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index f580046a189aa3897be902760153af9e2e7514da..fc88bd23344b2896cfa52490c36b8109d246b4c8 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -924,6 +924,9 @@ class CONTENT_EXPORT WebContentsImpl
   // called once as this call also removes it from the internal map.
   WebContentsImpl* GetCreatedWindow(int route_id);
 
+  // Tracks that this WebContents needs to unblock requests to the renderer.
+  void SetIsResumePending() { is_resume_pending_ = true; }
+
   // Tracking loading progress -------------------------------------------------
 
   // Resets the tracking state of the current load progress.
@@ -1092,6 +1095,10 @@ class CONTENT_EXPORT WebContentsImpl
   uint64 upload_size_;
   uint64 upload_position_;
 
+  // Whether this WebContents needs to resume loading after its creation.
+  // See ResumeLoadingCreatedWebContents.
+  bool is_resume_pending_;
+
   // Data for current page -----------------------------------------------------
 
   // When a title cannot be taken from any entry, this title will be used.