Convert Chrome PPAPI proxy from bool to PP_Bool.

ppapi/proxy/ppp_instance_proxy.h

Index: ppapi/proxy/ppp_instance_proxy.h
===================================================================
--- ppapi/proxy/ppp_instance_proxy.h	(revision 65343)
+++ ppapi/proxy/ppp_instance_proxy.h	(working copy)
@@ -41,18 +41,18 @@
   void OnMsgDidCreate(PP_Instance instance,
                       const std::vector<std::string>& argn,
                       const std::vector<std::string>& argv,
-                      bool* result);
+                      PP_Bool* result);
   void OnMsgDidDestroy(PP_Instance instance);
   void OnMsgDidChangeView(PP_Instance instance,
                           const PP_Rect& position,
                           const PP_Rect& clip);
-  void OnMsgDidChangeFocus(PP_Instance instance, bool has_focus);
+  void OnMsgDidChangeFocus(PP_Instance instance, PP_Bool has_focus);
   void OnMsgHandleInputEvent(PP_Instance instance,
                              const PP_InputEvent& event,
-                             bool* result);
+                             PP_Bool* result);
   void OnMsgHandleDocumentLoad(PP_Instance instance,
                                PP_Resource url_loader,
-                               bool* result);
+                               PP_Bool* result);
   void OnMsgGetInstanceObject(PP_Instance instance,
                               SerializedVarReturnValue result);
 };