Remove ChildProcess.HangRendererType.

content/public/browser/web_contents_unresponsive_state.h

Index: content/public/browser/web_contents_unresponsive_state.h
diff --git a/content/public/browser/web_contents_unresponsive_state.h b/content/public/browser/web_contents_unresponsive_state.h
index 8231d0952ad98e41013851fea6f1dd92283f50b6..838625a014816f3466a0097dd804315ae1e7f755 100644
--- a/content/public/browser/web_contents_unresponsive_state.h
+++ b/content/public/browser/web_contents_unresponsive_state.h
@@ -6,7 +6,6 @@
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_UNRESPONSIVE_STATE_H_
 
 #include "content/common/content_export.h"
-#include "content/public/browser/renderer_unresponsive_type.h"
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
 
 namespace content {
@@ -17,9 +16,6 @@ namespace content {
 struct CONTENT_EXPORT WebContentsUnresponsiveState {
   WebContentsUnresponsiveState();
 
-  // The reason why the renderer was unresponsive.
-  RendererUnresponsiveType reason;
-
   // TODO(dtapuska): Remove these fields once crbug.com/615090 is fixed.
   // The number of outstanding blocking input events sent to the renderer
   // that have not be acknowledged.