Reduce GPU mailbox size to 16 bytes

gpu/ipc/common/struct_traits_unittest.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 <string>
 
 #include "base/message_loop/message_loop.h"
 #include "gpu/ipc/common/traits_test_service.mojom.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 282 matching lines @@
 TEST_F(StructTraitsTest, EmptyGpuInfo) {
   gpu::GPUInfo input;
   mojom::TraitsTestServicePtr proxy = GetTraitsTestProxy();
   gpu::GPUInfo output;
   proxy->EchoGpuInfo(input, &output);
   EXPECT_FALSE(output.display_link_version.IsValid());
 }
 
 TEST_F(StructTraitsTest, Mailbox) {
   const int8_t mailbox_name[GL_MAILBOX_SIZE_CHROMIUM] = {
-      0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 9, 7, 5, 3, 1, 2, 4, 6, 8, 0, 0, 9,
-      8, 7, 6, 5, 4, 3, 2, 1, 9, 7, 5, 3, 1, 2, 4, 6, 8, 0, 0, 9, 8, 7,
-      6, 5, 4, 3, 2, 1, 9, 7, 5, 3, 1, 2, 4, 6, 8, 0, 0, 9, 8, 7};
+      0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 9, 7, 5, 3, 1, 2};
   gpu::Mailbox input;
   input.SetName(mailbox_name);
   mojom::TraitsTestServicePtr proxy = GetTraitsTestProxy();
   gpu::Mailbox output;
   proxy->EchoMailbox(input, &output);
   gpu::Mailbox test_mailbox;
   test_mailbox.SetName(mailbox_name);
   EXPECT_EQ(test_mailbox, output);
 }
 
 TEST_F(StructTraitsTest, MailboxHolder) {
   gpu::MailboxHolder input;
   const int8_t mailbox_name[GL_MAILBOX_SIZE_CHROMIUM] = {
-      0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 9, 7, 5, 3, 1, 2, 4, 6, 8, 0, 0, 9,
-      8, 7, 6, 5, 4, 3, 2, 1, 9, 7, 5, 3, 1, 2, 4, 6, 8, 0, 0, 9, 8, 7,
-      6, 5, 4, 3, 2, 1, 9, 7, 5, 3, 1, 2, 4, 6, 8, 0, 0, 9, 8, 7};
+      0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 9, 7, 5, 3, 1, 2};
   gpu::Mailbox mailbox;
   mailbox.SetName(mailbox_name);
   const gpu::CommandBufferNamespace namespace_id = gpu::IN_PROCESS;
   const int32_t extra_data_field = 0xbeefbeef;
   const gpu::CommandBufferId command_buffer_id(
       gpu::CommandBufferId::FromUnsafeValue(0xdeadbeef));
   const uint64_t release_count = 0xdeadbeefdeadL;
   const gpu::SyncToken sync_token(namespace_id, extra_data_field,
                                   command_buffer_id, release_count);
   const uint32_t texture_target = 1337;
@@ skipping 81 matching lines @@
   mojom::TraitsTestServicePtr proxy = GetTraitsTestProxy();
   gpu::VideoEncodeAcceleratorSupportedProfile output;
   proxy->EchoVideoEncodeAcceleratorSupportedProfile(input, &output);
   EXPECT_EQ(profile, output.profile);
   EXPECT_EQ(max_resolution, output.max_resolution);
   EXPECT_EQ(max_framerate_numerator, output.max_framerate_numerator);
   EXPECT_EQ(max_framerate_denominator, output.max_framerate_denominator);
 }
 
 }  // namespace gpu