API for content debug dump.

content/content.c

@@ -762,6 +762,16 @@ bool content_drop_file_at_point(struct hlcache_handle *h,
 }
 
 
+void content_debug_dump(struct hlcache_handle *h, FILE *f)
+{
+	struct content *c = hlcache_handle_get_content(h);
+	assert(c != 0);
+
+	if (c->handler->debug_dump != NULL)
+		c->handler->debug_dump(c, f);
+}
+
+
 void content_add_error(struct content *c, const char *token,
 		unsigned int line)
 {

content/content.h

@@ -27,6 +27,7 @@
 #define _NETSURF_CONTENT_CONTENT_H_
 
 #include <stdbool.h>
+#include <stdio.h>
 
 #include <libwapcaplet/libwapcaplet.h>
 
@@ -226,6 +227,7 @@ bool content_scroll_at_point(struct hlcache_handle *h,
 		int x, int y, int scrx, int scry);
 bool content_drop_file_at_point(struct hlcache_handle *h,
 		int x, int y, char *file);
+void content_debug_dump(struct hlcache_handle *h, FILE *f);
 struct content_rfc5988_link *content_find_rfc5988_link(struct hlcache_handle *c,
 		lwc_string *rel);
 

content/content_protected.h

@@ -71,6 +71,7 @@ struct content_handler {
 			int scrx, int scry);
 	bool (*drop_file_at_point)(struct content *c, int x, int y,
 			char *file);
+	void (*debug_dump)(struct content *c, FILE *f);
 	nserror (*clone)(const struct content *old, struct content **newc);
 	bool (*matches_quirks)(const struct content *c, bool quirks);
 	content_type (*type)(void);