Added an extra sync token field for extra command buffer identification.

gpu/command_buffer/client/gles2_implementation_unittest.cc

Index: gpu/command_buffer/client/gles2_implementation_unittest.cc
diff --git a/gpu/command_buffer/client/gles2_implementation_unittest.cc b/gpu/command_buffer/client/gles2_implementation_unittest.cc
index ef2efeba0f2d77c10897288996f3d8c2f7315c56..c59db58aefd0c5830b6a397c17abba46032a6618 100644
--- a/gpu/command_buffer/client/gles2_implementation_unittest.cc
+++ b/gpu/command_buffer/client/gles2_implementation_unittest.cc
@@ -3782,6 +3782,8 @@ TEST_F(GLES2ImplementationTest, GenSyncTokenCHROMIUM) {
       .WillRepeatedly(testing::Return(kNamespaceId));
   EXPECT_CALL(*gpu_control_, GetCommandBufferID())
       .WillRepeatedly(testing::Return(kCommandBufferId));
+  EXPECT_CALL(*gpu_control_, GetExtraCommandBufferData())
+      .WillRepeatedly(testing::Return(0));
 
   gl_->GenSyncTokenCHROMIUM(kFenceSync, nullptr);
   EXPECT_EQ(GL_INVALID_VALUE, CheckError());
@@ -3825,6 +3827,8 @@ TEST_F(GLES2ImplementationTest, GenUnverifiedSyncTokenCHROMIUM) {
       .WillRepeatedly(testing::Return(kNamespaceId));
   EXPECT_CALL(*gpu_control_, GetCommandBufferID())
       .WillRepeatedly(testing::Return(kCommandBufferId));
+  EXPECT_CALL(*gpu_control_, GetExtraCommandBufferData())
+      .WillRepeatedly(testing::Return(0));
 
   gl_->GenUnverifiedSyncTokenCHROMIUM(kFenceSync, nullptr);
   EXPECT_EQ(GL_INVALID_VALUE, CheckError());
@@ -3872,6 +3876,8 @@ TEST_F(GLES2ImplementationTest, WaitSyncTokenCHROMIUM) {
       .WillOnce(testing::Return(kNamespaceId));
   EXPECT_CALL(*gpu_control_, GetCommandBufferID())
       .WillOnce(testing::Return(kCommandBufferId));
+  EXPECT_CALL(*gpu_control_, GetExtraCommandBufferData())
+      .WillOnce(testing::Return(0));
   gl_->GenSyncTokenCHROMIUM(kFenceSync, sync_token);
 
   struct Cmds {
@@ -3899,14 +3905,14 @@ TEST_F(GLES2ImplementationTest, WaitSyncTokenCHROMIUMErrors) {
 
   // Invalid sync tokens should produce no error and be a nop.
   ClearCommands();
-  gpu::SyncToken invalid_sync_token(CommandBufferNamespace::INVALID, 0, 0);
+  gpu::SyncToken invalid_sync_token;
   gl_->WaitSyncTokenCHROMIUM(invalid_sync_token.GetConstData());
   EXPECT_TRUE(NoCommandsWritten());
   EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), gl_->GetError());
 
   // Unverified sync token should produce INVALID_OPERATION.
   ClearCommands();
-  gpu::SyncToken unverified_sync_token(CommandBufferNamespace::GPU_IO, 0, 0);
+  gpu::SyncToken unverified_sync_token(CommandBufferNamespace::GPU_IO, 0, 0, 0);
   EXPECT_CALL(*gpu_control_, CanWaitUnverifiedSyncToken(_))
       .WillOnce(testing::Return(false));
   gl_->WaitSyncTokenCHROMIUM(unverified_sync_token.GetConstData());