OOPIF: Fix CapturePageInfo to only operate on local main frames.

chrome/renderer/chrome_render_view_observer.cc

Index: chrome/renderer/chrome_render_view_observer.cc
diff --git a/chrome/renderer/chrome_render_view_observer.cc b/chrome/renderer/chrome_render_view_observer.cc
index 38aaae9fbb70583ca9fc41b2bd51fcc6db151df0..a2e1b9aecc961cc413ebc94187a186cdd02103b8 100644
--- a/chrome/renderer/chrome_render_view_observer.cc
+++ b/chrome/renderer/chrome_render_view_observer.cc
@@ -381,6 +381,13 @@ void ChromeRenderViewObserver::CapturePageInfo(bool preliminary_capture) {
   if (!main_frame)
     return;
 
+  // TODO(creis): Refactor WebFrame::contentAsText to handle RemoteFrames,
+  // likely by moving it to the browser process.  For now, only capture page
+  // info from main frames that are LocalFrames, and ignore their RemoteFrame
+  // children.
+  if (main_frame->isWebRemoteFrame())
+    return;
+
   // Don't index/capture pages that are in view source mode.
   if (main_frame->isViewSourceModeEnabled())
     return;