Fix C compiler errors when using the C API (issue #1165).

- Replace 'bool' with 'int' in cef_types[_*].h.
- Typedef enums in cef_types.h
- Add includes and struct forward declarations in C API header files.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1558 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

include/capi/cef_xml_reader_capi.h

@@ -43,6 +43,7 @@ extern "C" {
 #endif
 
 #include "include/capi/cef_base_capi.h"
+#include "include/capi/cef_stream_capi.h"
 
 
 ///
@@ -88,8 +89,7 @@ typedef struct _cef_xml_reader_t {
   ///
   // Returns the node type.
   ///
-  enum cef_xml_node_type_t (CEF_CALLBACK *get_type)(
-      struct _cef_xml_reader_t* self);
+  cef_xml_node_type_t (CEF_CALLBACK *get_type)(struct _cef_xml_reader_t* self);
 
   ///
   // Returns the node depth. Depth starts at 0 for the root node.
@@ -267,8 +267,8 @@ typedef struct _cef_xml_reader_t {
 // only be called from the thread that created the object.
 ///
 CEF_EXPORT cef_xml_reader_t* cef_xml_reader_create(
-    struct _cef_stream_reader_t* stream,
-    enum cef_xml_encoding_type_t encodingType, const cef_string_t* URI);
+    struct _cef_stream_reader_t* stream, cef_xml_encoding_type_t encodingType,
+    const cef_string_t* URI);
 
 
 #ifdef __cplusplus