Fixed flakiness of context_lost tests on GPU bots.

content/browser/frame_host/debug_urls.h

Index: content/browser/frame_host/debug_urls.h
diff --git a/content/browser/frame_host/debug_urls.h b/content/browser/frame_host/debug_urls.h
index 01530b46807d29d902841b34967a5238769a115d..1446e8c39d16fae2e1cfff667f6ede029750ac11 100644
--- a/content/browser/frame_host/debug_urls.h
+++ b/content/browser/frame_host/debug_urls.h
@@ -15,6 +15,9 @@ namespace content {
 // handles it and returns true.
 bool HandleDebugURL(const GURL& url, PageTransition transition);
 
+// Checks if the given URL is a url used for debugging purposes.

[jam, 2014/05/09 22:47:46]

nit: expand this comment since it's a bit confusing at first glance why there's
this method and the one below. i.e. say something like this is a superset of
IsRendererDebugURL and debugging urls that are handled in the browser process

[Ken Russell (switch to Gerrit), 2014/05/09 23:43:05]

Done.

+bool IsDebugURL(const GURL& url);
+
 // Returns whether the given url is either a debugging url handled in the
 // renderer process, such as one that crashes or hangs the renderer, or a
 // javascript: URL that operates on the current page in the renderer.  Such URLs