Encourage IOSurface reuse for CSS filter effects.

cc/resources/resource_pool_unittest.cc

 // 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 "cc/resources/resource_pool.h"
 
 #include <stddef.h>
 
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 10 matching lines @@
 class ResourcePoolTest : public testing::Test {
  public:
   void SetUp() override {
     output_surface_ = FakeOutputSurface::CreateDelegating3d();
     ASSERT_TRUE(output_surface_->BindToClient(&output_surface_client_));
     shared_bitmap_manager_.reset(new TestSharedBitmapManager());
     resource_provider_ = FakeResourceProvider::Create(
         output_surface_.get(), shared_bitmap_manager_.get());
     task_runner_ = base::ThreadTaskRunnerHandle::Get();
     resource_pool_ =
-        ResourcePool::Create(resource_provider_.get(), task_runner_.get());
+        ResourcePool::Create(resource_provider_.get(), task_runner_.get(),
+                             ResourcePool::kDefaultExpirationDelay);
   }
 
  protected:
   FakeOutputSurfaceClient output_surface_client_;
   std::unique_ptr<FakeOutputSurface> output_surface_;
   std::unique_ptr<SharedBitmapManager> shared_bitmap_manager_;
   std::unique_ptr<ResourceProvider> resource_provider_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   std::unique_ptr<ResourcePool> resource_pool_;
 };
@@ skipping 106 matching lines @@
       resource_pool_->AcquireResource(size, format, color_space);
   EXPECT_EQ(1u, resource_provider_->num_resources());
 
   resource_provider_->LoseResourceForTesting(resource->id());
   resource_pool_->ReleaseResource(resource);
   resource_pool_->CheckBusyResources();
   EXPECT_EQ(0u, resource_provider_->num_resources());
 }
 
 TEST_F(ResourcePoolTest, BusyResourcesEventuallyFreed) {
+  // Set a quick resource expiration delay so that this test doesn't take long
+  // to run.
+  resource_pool_ =
+      ResourcePool::Create(resource_provider_.get(), task_runner_.get(),
+                           base::TimeDelta::FromMilliseconds(10));
+
   // Limits high enough to not be hit by this test.
   size_t bytes_limit = 10 * 1024 * 1024;
   size_t count_limit = 100;
   resource_pool_->SetResourceUsageLimits(bytes_limit, count_limit);
 
-  // Set a quick resource expiration delay so that this test doesn't take long
-  // to run.
-  resource_pool_->SetResourceExpirationDelayForTesting(
-      base::TimeDelta::FromMilliseconds(10));
-
   gfx::Size size(100, 100);
   ResourceFormat format = RGBA_8888;
   gfx::ColorSpace color_space;
 
   Resource* resource =
       resource_pool_->AcquireResource(size, format, color_space);
   EXPECT_EQ(1u, resource_provider_->num_resources());
   EXPECT_EQ(40000u, resource_pool_->GetTotalMemoryUsageForTesting());
   EXPECT_EQ(1u, resource_pool_->resource_count());
 
   resource_pool_->ReleaseResource(resource);
   EXPECT_EQ(1u, resource_provider_->num_resources());
   EXPECT_EQ(40000u, resource_pool_->GetTotalMemoryUsageForTesting());
   EXPECT_EQ(0u, resource_pool_->memory_usage_bytes());
   EXPECT_EQ(1u, resource_pool_->GetBusyResourceCountForTesting());
 
   // Wait for our resource pool to evict resources. We expect resources to be
   // released within 10 ms, give the thread up to 200.
   base::RunLoop run_loop;
   task_runner_->PostDelayedTask(FROM_HERE, run_loop.QuitClosure(),
                                 base::TimeDelta::FromMillisecondsD(200));
   run_loop.Run();
 
   EXPECT_EQ(0u, resource_provider_->num_resources());
   EXPECT_EQ(0u, resource_pool_->GetTotalMemoryUsageForTesting());
   EXPECT_EQ(0u, resource_pool_->memory_usage_bytes());
 }
 
 TEST_F(ResourcePoolTest, UnusedResourcesEventuallyFreed) {
+  // Set a quick resource expiration delay so that this test doesn't take long
+  // to run.
+  resource_pool_ =
+      ResourcePool::Create(resource_provider_.get(), task_runner_.get(),
+                           base::TimeDelta::FromMilliseconds(100));
+
   // Limits high enough to not be hit by this test.
   size_t bytes_limit = 10 * 1024 * 1024;
   size_t count_limit = 100;
   resource_pool_->SetResourceUsageLimits(bytes_limit, count_limit);
 
-  // Set a quick resource expiration delay so that this test doesn't take long
-  // to run.
-  resource_pool_->SetResourceExpirationDelayForTesting(
-      base::TimeDelta::FromMilliseconds(100));
-
   gfx::Size size(100, 100);
   ResourceFormat format = RGBA_8888;
   gfx::ColorSpace color_space;
 
   Resource* resource =
       resource_pool_->AcquireResource(size, format, color_space);
   EXPECT_EQ(1u, resource_provider_->num_resources());
   EXPECT_EQ(40000u, resource_pool_->GetTotalMemoryUsageForTesting());
   EXPECT_EQ(1u, resource_pool_->GetTotalResourceCountForTesting());
   EXPECT_EQ(1u, resource_pool_->resource_count());
@@ skipping 111 matching lines @@
   Resource* resource = resource_pool_->ReuseResource(size, format, color_space);
   EXPECT_EQ(nullptr, resource);
   size = gfx::Size(100, 99);
   resource = resource_pool_->ReuseResource(size, format, color_space);
   EXPECT_NE(nullptr, resource);
   ASSERT_EQ(nullptr, resource_pool_->ReuseResource(size, format, color_space));
   resource_pool_->ReleaseResource(resource);
 }
 
 }  // namespace cc