Add a public interface for content::MemoryCoordinator

content/browser/memory/memory_coordinator_impl_browsertest.cc

 // Copyright 2016 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 "content/browser/memory/memory_coordinator_impl.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/test/scoped_feature_list.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/public/common/content_features.h"
@@ skipping 46 matching lines @@
   NavigateToURL(shell(), url);
   auto* memory_coordinator = MemoryCoordinatorImpl::GetInstance();
   memory_coordinator->SetDelegateForTesting(
       base::MakeUnique<TestMemoryCoordinatorDelegate>());
   EXPECT_EQ(1u, memory_coordinator->children().size());
   int render_process_id = memory_coordinator->children().begin()->first;
   // Foreground tab cannot be suspended.
   EXPECT_FALSE(memory_coordinator->CanSuspendRenderer(render_process_id));
 }
 
+IN_PROC_BROWSER_TEST_F(MemoryCoordinatorImplBrowserTest, GetStateForProcess) {
+  GURL url = GetTestUrl("", "simple_page.html");
+  NavigateToURL(shell(), url);
+  auto* memory_coordinator = MemoryCoordinator::GetInstance();
+  base::ProcessHandle handle = base::GetCurrentProcessHandle();
+  EXPECT_NE(base::MemoryState::UNKNOWN,
+            memory_coordinator->GetStateForProcess(handle));
+}
+
 #endif  // !defined(OS_MACOSX)
 
 }  // namespace content