Removed Doxygen groupings by ppb_, pp_, and ppp_. Added grouping by construct...

ppapi/c/pp_point.h

Index: ppapi/c/pp_point.h
===================================================================
--- ppapi/c/pp_point.h	(revision 72639)
+++ ppapi/c/pp_point.h	(working copy)
@@ -8,30 +8,38 @@
 /**
  * @file
  * Defines the API ...
- *
- * @addtogroup PP
- * @{
  */
 
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_stdint.h"
 
+/**
+ *
+ * @addtogroup Structs
+ * @{
+ */
 struct PP_Point {
   int32_t x;
   int32_t y;
 };
+/**
+ * @}
+ */
+
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Point, 8);
 
+/**
+ * @addtogroup Functions
+ * @{
+ */
 PP_INLINE struct PP_Point PP_MakePoint(int32_t x, int32_t y) {
   struct PP_Point ret;
   ret.x = x;
   ret.y = y;
   return ret;
 }
-
 /**
  * @}
- * End addtogroup PP
  */
 
 #endif  /* PPAPI_C_PP_POINT_H_ */