Add PPB_Memory_Dev. This is the first of a few CLs needed to pull MemAlloc and

ppapi/tests/test_memory.cc

Index: ppapi/tests/test_memory.cc
diff --git a/ppapi/tests/test_memory.cc b/ppapi/tests/test_memory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1d44db47d4b662d884389e3284d4da3b2880512c
--- /dev/null
+++ b/ppapi/tests/test_memory.cc
@@ -0,0 +1,57 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/tests/test_memory.h"
+
+#include "ppapi/c/dev/ppb_testing_dev.h"
+#include "ppapi/c/dev/ppb_memory_dev.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/tests/testing_instance.h"
+
+namespace {
+
+size_t kTestBufferSize = 1000;
+
+}  // namespace
+
+REGISTER_TEST_CASE(Memory);
+
+bool TestMemory::Init() {
+  memory_dev_interface_ = static_cast<const PPB_Memory_Dev*>(
+      pp::Module::Get()->GetBrowserInterface(PPB_MEMORY_DEV_INTERFACE));
+  return memory_dev_interface_ && InitTestingInterface();
+}
+
+void TestMemory::RunTest() {
+  RUN_TEST(MemAlloc);
+  RUN_TEST(NullMemFree);
+}
+
+std::string TestMemory::TestMemAlloc() {
+  uint32_t before_object = testing_interface_->GetLiveObjectsForInstance(
+      instance_->pp_instance());
+  {
+    char* buffer = static_cast<char*>(
+        memory_dev_interface_->MemAlloc(kTestBufferSize));
+    // Touch a couple of locations.  Failure will crash the test.
+    buffer[0] = '1';
+    buffer[kTestBufferSize - 1] = '1';
+    memory_dev_interface_->MemFree(buffer);
+  }
+
+  // Make sure nothing leaked.
+  ASSERT_TRUE(testing_interface_->GetLiveObjectsForInstance(
+      instance_->pp_instance()) == before_object);
+
+  PASS();
+}
+
+std::string TestMemory::TestNullMemFree() {
+  // Failure crashes the test.
+  memory_dev_interface_->MemFree(NULL);
+
+  PASS();
+}
+