Better bad message reporting from IO thread

content/public/browser/render_process_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 47 matching lines @@
   struct RendererClosedDetails {
     RendererClosedDetails(base::TerminationStatus status,
                           int exit_code) {
       this->status = status;
       this->exit_code = exit_code;
     }
     base::TerminationStatus status;
     int exit_code;
   };
 
+  // Crash reporting mode for ShutdownForBadMessage.
+  enum class CrashReportMode {
+    NO_CRASH_DUMP,
+    GENERATE_CRASH_DUMP,
+  };
+
   // General functions ---------------------------------------------------------
 
   ~RenderProcessHost() override {}
 
   // Initialize the new renderer process, returning true on success. This must
   // be called once before the object can be used, but can be called after
   // that with no effect. Therefore, if the caller isn't sure about whether
   // the process has been created, it should just call Init().
   virtual bool Init() = 0;
 
@@ skipping 10 matching lines @@
   // Add and remove observers for lifecycle events. The order in which
   // notifications are sent to observers is undefined. Observers must be sure to
   // remove the observer before they go away.
   virtual void AddObserver(RenderProcessHostObserver* observer) = 0;
   virtual void RemoveObserver(RenderProcessHostObserver* observer) = 0;
 
   // Called when a received message cannot be decoded. Terminates the renderer.
   // Most callers should not call this directly, but instead should call
   // bad_message::BadMessageReceived() or an equivalent method outside of the
   // content module.
-  virtual void ShutdownForBadMessage() = 0;
+  //
+  // If |crash_report_mode| is GENERATE_CRASH_DUMP, then a browser crash dump
+  // will be reported as well.
+  virtual void ShutdownForBadMessage(CrashReportMode crash_report_mode) = 0;
 
   // Track the count of visible widgets. Called by listeners to register and
   // unregister visibility.
   virtual void WidgetRestored() = 0;
   virtual void WidgetHidden() = 0;
   virtual int VisibleWidgetCount() const = 0;
 
   // Called when the audio state changes for this render process host.
   virtual void AudioStateChanged() = 0;
 
@@ skipping 256 matching lines @@
   static void SetMaxRendererProcessCount(size_t count);
 
   // Returns the current maximum number of renderer process hosts kept by the
   // content module.
   static size_t GetMaxRendererProcessCount();
 };
 
 }  // namespace content.
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_