Distinguish plugin disconnections from plugin crashes.

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 d778bfb3fcb21ea3b2890d7afb1bc69294a70896..756949147f26da7af982694f97121f7bdb950a52 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -13,6 +13,7 @@
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
+#include "base/process.h"
 #include "content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
@@ -545,7 +546,7 @@ class CONTENT_EXPORT WebContentsImpl
                              const std::vector<gfx::RectF>& rects,
                              const gfx::RectF& active_rect);
 #endif
-  void OnCrashedPlugin(const FilePath& plugin_path);
+  void OnCrashedPlugin(const FilePath& plugin_path, base::ProcessId plugin_pid);
   void OnAppCacheAccessed(const GURL& manifest_url, bool blocked_by_policy);
   void OnOpenColorChooser(int color_chooser_id, SkColor color);
   void OnEndColorChooser(int color_chooser_id);