gpu: Move ShaderDiskCache into //gpu/ipc/host component.

gpu/ipc/host/shader_disk_cache_unittest.cc

 // Copyright 2013 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 "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
+#include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "content/browser/browser_thread_impl.h"
-#include "content/browser/gpu/shader_disk_cache.h"
-#include "content/public/test/test_browser_thread_bundle.h"
+#include "gpu/ipc/host/shader_disk_cache.h"
 #include "net/base/test_completion_callback.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace content {
+namespace gpu {
 namespace {
 
 const int kDefaultClientId = 42;
 const char kCacheKey[] = "key";
 const char kCacheValue[] = "cached value";
 
 }  // namespace
 
 class ShaderDiskCacheTest : public testing::Test {
  public:
   ShaderDiskCacheTest()
-      : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {
-    factory_ = base::MakeUnique<ShaderCacheFactory>(
-        BrowserThread::GetTaskRunnerForThread(BrowserThread::CACHE));
+      : cache_thread_("CacheThread") {
+    base::Thread::Options options;
+    options.message_loop_type = base::MessageLoop::TYPE_IO;
+    CHECK(cache_thread_.StartWithOptions(options));
+    factory_ =
+        base::MakeUnique<ShaderCacheFactory>(cache_thread_.task_runner());
   }
 
   ~ShaderDiskCacheTest() override {}
 
   const base::FilePath& cache_path() { return temp_dir_.GetPath(); }
 
   void InitCache() {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     factory_->SetCacheInfo(kDefaultClientId, cache_path());
   }
 
   ShaderCacheFactory* factory() { return factory_.get(); }
 
  private:
   void TearDown() override { factory_->RemoveCacheInfo(kDefaultClientId); }
 
   std::unique_ptr<ShaderCacheFactory> factory_;
   base::ScopedTempDir temp_dir_;
-  content::TestBrowserThreadBundle thread_bundle_;
+  base::Thread cache_thread_;
+  base::MessageLoopForIO message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(ShaderDiskCacheTest);
 };
 
 TEST_F(ShaderDiskCacheTest, ClearsCache) {
   InitCache();
 
   scoped_refptr<ShaderDiskCache> cache = factory()->Get(kDefaultClientId);
   ASSERT_TRUE(cache.get() != NULL);
 
   net::TestCompletionCallback available_cb;
   int rv = cache->SetAvailableCallback(available_cb.callback());
   ASSERT_EQ(net::OK, available_cb.GetResult(rv));
   EXPECT_EQ(0, cache->Size());
 
   cache->Cache(kCacheKey, kCacheValue);
 
   net::TestCompletionCallback complete_cb;
   rv = cache->SetCacheCompleteCallback(complete_cb.callback());
   ASSERT_EQ(net::OK, complete_cb.GetResult(rv));
   EXPECT_EQ(1, cache->Size());
 
   base::Time time;
   net::TestCompletionCallback clear_cb;
   rv = cache->Clear(time, time, clear_cb.callback());
   ASSERT_EQ(net::OK, clear_cb.GetResult(rv));
   EXPECT_EQ(0, cache->Size());
 };
 
-}  // namespace content
+}  // namespace gpu