discardable_memory: Using mojo IPC to replace Chrome IPC

content/child/child_thread_impl_browsertest.cc

Index: content/child/child_thread_impl_browsertest.cc
diff --git a/content/child/child_thread_impl_browsertest.cc b/content/child/child_thread_impl_browsertest.cc
deleted file mode 100644
index ab21ddd453db3b28c0b4f633d8fea71ae7c32a29..0000000000000000000000000000000000000000
--- a/content/child/child_thread_impl_browsertest.cc
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright 2015 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/child/child_thread_impl.h"
-
-#include <stddef.h>
-#include <string.h>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/memory/discardable_memory.h"
-#include "base/memory/scoped_vector.h"
-#include "base/time/time.h"
-#include "components/discardable_memory/client/client_discardable_shared_memory_manager.h"
-#include "components/discardable_memory/service/discardable_shared_memory_manager.h"
-#include "content/child/child_gpu_memory_buffer_manager.h"
-#include "content/public/common/content_switches.h"
-#include "content/public/test/content_browser_test.h"
-#include "content/public/test/content_browser_test_utils.h"
-#include "content/shell/browser/shell.h"
-#include "gpu/ipc/client/gpu_memory_buffer_impl.h"
-#include "ui/gfx/buffer_format_util.h"
-#include "url/gurl.h"
-
-namespace content {
-namespace {
-
-class ChildThreadImplBrowserTest : public ContentBrowserTest {
- public:
-  ChildThreadImplBrowserTest()
-      : child_discardable_shared_memory_manager_(nullptr) {}
-
-  // Overridden from BrowserTestBase:
-  void SetUpCommandLine(base::CommandLine* command_line) override {
-    command_line->AppendSwitch(switches::kSingleProcess);
-  }
-  void SetUpOnMainThread() override {
-    NavigateToURL(shell(), GURL(url::kAboutBlankURL));
-    PostTaskToInProcessRendererAndWait(
-        base::Bind(&ChildThreadImplBrowserTest::SetUpOnChildThread,
-                   base::Unretained(this)));
-  }
-
-  discardable_memory::ClientDiscardableSharedMemoryManager*
-  child_discardable_shared_memory_manager() {
-    return child_discardable_shared_memory_manager_;
-  }
-
- private:
-  void SetUpOnChildThread() {
-    child_discardable_shared_memory_manager_ =
-        ChildThreadImpl::current()->discardable_shared_memory_manager();
-  }
-
-  discardable_memory::ClientDiscardableSharedMemoryManager*
-      child_discardable_shared_memory_manager_;
-};
-
-IN_PROC_BROWSER_TEST_F(ChildThreadImplBrowserTest, LockDiscardableMemory) {
-  const size_t kSize = 1024 * 1024;  // 1MiB.
-
-  std::unique_ptr<base::DiscardableMemory> memory =
-      child_discardable_shared_memory_manager()
-          ->AllocateLockedDiscardableMemory(kSize);
-
-  ASSERT_TRUE(memory);
-  void* addr = memory->data();
-  ASSERT_NE(nullptr, addr);
-
-  memory->Unlock();
-
-  // Purge all unlocked memory.
-  discardable_memory::DiscardableSharedMemoryManager::current()->SetMemoryLimit(
-      0);
-
-  // Should fail as memory should have been purged.
-  EXPECT_FALSE(memory->Lock());
-}
-
-IN_PROC_BROWSER_TEST_F(ChildThreadImplBrowserTest,
-                       DiscardableMemoryAddressSpace) {
-  const size_t kLargeSize = 4 * 1024 * 1024;   // 4MiB.
-  const size_t kNumberOfInstances = 1024 + 1;  // >4GiB total.
-
-  ScopedVector<base::DiscardableMemory> instances;
-  for (size_t i = 0; i < kNumberOfInstances; ++i) {
-    std::unique_ptr<base::DiscardableMemory> memory =
-        child_discardable_shared_memory_manager()
-            ->AllocateLockedDiscardableMemory(kLargeSize);
-    ASSERT_TRUE(memory);
-    void* addr = memory->data();
-    ASSERT_NE(nullptr, addr);
-    memory->Unlock();
-    instances.push_back(std::move(memory));
-  }
-}
-
-IN_PROC_BROWSER_TEST_F(ChildThreadImplBrowserTest,
-                       ReleaseFreeDiscardableMemory) {
-  const size_t kSize = 1024 * 1024;  // 1MiB.
-
-  std::unique_ptr<base::DiscardableMemory> memory =
-      child_discardable_shared_memory_manager()
-          ->AllocateLockedDiscardableMemory(kSize);
-
-  EXPECT_TRUE(memory);
-  memory.reset();
-
-  EXPECT_GE(discardable_memory::DiscardableSharedMemoryManager::current()
-                ->GetBytesAllocated(),
-            kSize);
-
-  child_discardable_shared_memory_manager()->ReleaseFreeMemory();
-
-  // Busy wait for host memory usage to be reduced.
-  base::TimeTicks end =
-      base::TimeTicks::Now() + base::TimeDelta::FromSeconds(5);
-  while (base::TimeTicks::Now() < end) {
-    if (!discardable_memory::DiscardableSharedMemoryManager::current()
-             ->GetBytesAllocated())
-      break;
-  }
-
-  EXPECT_LT(base::TimeTicks::Now(), end);
-}
-
-}  // namespace
-}  // namespace content