Relanding this as the previous attempt failed due to build errors.

webkit/glue/webkit_glue.h

Index: webkit/glue/webkit_glue.h
===================================================================
--- webkit/glue/webkit_glue.h	(revision 200310)
+++ webkit/glue/webkit_glue.h	(working copy)
@@ -62,14 +62,6 @@
 WEBKIT_GLUE_EXPORT bool DecodeImage(const std::string& image_data,
                                     SkBitmap* image);
 
-// Tells the plugin thread to terminate the process forcefully instead of
-// exiting cleanly.
-void SetForcefullyTerminatePluginProcess(bool value);
-
-// Returns true if the plugin thread should terminate the process forcefully
-// instead of exiting cleanly.
-WEBKIT_GLUE_EXPORT bool ShouldForcefullyTerminatePluginProcess();
-
 // File info conversion
 WEBKIT_GLUE_EXPORT void PlatformFileInfoToWebFileInfo(
     const base::PlatformFileInfo& file_info,