Add rights for mapping buffer. Update (shared) buffer APIs.

mojo/edk/system/handle_unittest.cc

Index: mojo/edk/system/handle_unittest.cc
diff --git a/mojo/edk/system/handle_unittest.cc b/mojo/edk/system/handle_unittest.cc
index 8c630edf08ba1886c4b8c794fb8ed1d4ca2b39db..5dc27cde0babe26ee3cd3f6b5e22462db2d589c1 100644
--- a/mojo/edk/system/handle_unittest.cc
+++ b/mojo/edk/system/handle_unittest.cc
@@ -125,6 +125,9 @@ TEST(HandleTest, HasAllRights) {
     EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_WRITE));
     EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_GET_OPTIONS));
     EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_SET_OPTIONS));
+    EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_MAP_READABLE));
+    EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_MAP_WRITABLE));
+    EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_MAP_EXECUTABLE));
   }
 
   {
@@ -138,6 +141,9 @@ TEST(HandleTest, HasAllRights) {
     EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_WRITE));
     EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_GET_OPTIONS));
     EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_SET_OPTIONS));
+    EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_MAP_READABLE));
+    EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_MAP_WRITABLE));
+    EXPECT_FALSE(h.has_all_rights(MOJO_HANDLE_RIGHT_MAP_EXECUTABLE));
 
     EXPECT_TRUE(
         h.has_all_rights(MOJO_HANDLE_RIGHT_DUPLICATE | MOJO_HANDLE_RIGHT_READ));