[Fuchsia] Give VMOs names

runtime/vm/virtual_memory_test.cc

Index: runtime/vm/virtual_memory_test.cc
diff --git a/runtime/vm/virtual_memory_test.cc b/runtime/vm/virtual_memory_test.cc
index c652f8c2b61ad7c32aab287b00b9176c8b4a014d..a4c68d2f61a96249db5d7610956ab12f5d93528d 100644
--- a/runtime/vm/virtual_memory_test.cc
+++ b/runtime/vm/virtual_memory_test.cc
@@ -36,7 +36,7 @@ VM_UNIT_TEST_CASE(AllocateVirtualMemory) {
   EXPECT(!vm->Contains(0));
   EXPECT(!vm->Contains(static_cast<uword>(-1)));
 
-  vm->Commit(false);
+  vm->Commit(false, NULL);
 
   char* buf = reinterpret_cast<char*>(vm->address());
   EXPECT(IsZero(buf, buf + vm->size()));
@@ -58,31 +58,31 @@ VM_UNIT_TEST_CASE(FreeVirtualMemory) {
   const intptr_t kIterations = 900;  // Enough to exhaust 32-bit address space.
   for (intptr_t i = 0; i < kIterations; ++i) {
     VirtualMemory* vm = VirtualMemory::Reserve(kVirtualMemoryBlockSize);
-    vm->Commit(false);
+    vm->Commit(false, NULL);
     delete vm;
   }
   // Check that truncation does not introduce leaks.
   for (intptr_t i = 0; i < kIterations; ++i) {
     VirtualMemory* vm = VirtualMemory::Reserve(kVirtualMemoryBlockSize);
-    vm->Commit(false);
+    vm->Commit(false, NULL);
     vm->Truncate(kVirtualMemoryBlockSize / 2, true);
     delete vm;
   }
   for (intptr_t i = 0; i < kIterations; ++i) {
     VirtualMemory* vm = VirtualMemory::Reserve(kVirtualMemoryBlockSize);
-    vm->Commit(true);
+    vm->Commit(true, NULL);
     vm->Truncate(kVirtualMemoryBlockSize / 2, false);
     delete vm;
   }
   for (intptr_t i = 0; i < kIterations; ++i) {
     VirtualMemory* vm = VirtualMemory::Reserve(kVirtualMemoryBlockSize);
-    vm->Commit(true);
+    vm->Commit(true, NULL);
     vm->Truncate(0, true);
     delete vm;
   }
   for (intptr_t i = 0; i < kIterations; ++i) {
     VirtualMemory* vm = VirtualMemory::Reserve(kVirtualMemoryBlockSize);
-    vm->Commit(false);
+    vm->Commit(false, NULL);
     vm->Truncate(0, false);
     delete vm;
   }
@@ -96,7 +96,7 @@ VM_UNIT_TEST_CASE(VirtualMemoryCommitPartial) {
   // Commit only the middle MB and write to it.
   const uword commit_start = vm->start() + (1 * MB);
   const intptr_t kCommitSize = 1 * MB;
-  vm->Commit(commit_start, kCommitSize, false);
+  vm->Commit(commit_start, kCommitSize, false, NULL);
   char* buf = reinterpret_cast<char*>(commit_start);
   EXPECT(IsZero(buf, buf + kCommitSize));
   buf[0] = 'f';