Hook up PpapiPermissions in more places.

ppapi/shared_impl/ppapi_permissions.cc

Index: ppapi/shared_impl/ppapi_permissions.cc
diff --git a/ppapi/shared_impl/ppapi_permissions.cc b/ppapi/shared_impl/ppapi_permissions.cc
index d92f6ba99488e9f05064598ad3d926fbb646406a..475d530a0d09f13aedb5e960a2cf5598c292d9c8 100644
--- a/ppapi/shared_impl/ppapi_permissions.cc
+++ b/ppapi/shared_impl/ppapi_permissions.cc
@@ -19,10 +19,7 @@ PpapiPermissions::~PpapiPermissions() {
 
 // static
 PpapiPermissions PpapiPermissions::AllPermissions() {
-  return PpapiPermissions(
-      PERMISSION_DEV |
-      PERMISSION_PRIVATE |
-      PERMISSION_BYPASS_USER_GESTURE);
+  return PpapiPermissions(PERMISSION_ALL_BITS);
 }
 
 bool PpapiPermissions::HasPermission(Permission perm) const {
@@ -31,6 +28,8 @@ bool PpapiPermissions::HasPermission(Permission perm) const {
   // represented in the future so don't want callers making assumptions about
   // bits.
   uint32 perm_int = static_cast<uint32>(perm);
+  if (!perm_int)
+    return true;  // You always have "no permission".
   DCHECK((perm_int & (perm_int - 1)) == 0);
   return !!(permissions_ & perm_int);
 }