Changed the GPU Tracer so the category names can be customized.

gpu/command_buffer/common/gles2_cmd_format_test_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h b/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
index 74736508125fa35db70de3d1bf8cf226956c220c..b5751034885e3b332e50e15865c418b00f41affd 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
@@ -3662,11 +3662,13 @@ TEST_F(GLES2FormatTest, ReleaseTexImage2DCHROMIUM) {
 
 TEST_F(GLES2FormatTest, TraceBeginCHROMIUM) {
   cmds::TraceBeginCHROMIUM& cmd = *GetBufferAs<cmds::TraceBeginCHROMIUM>();
-  void* next_cmd = cmd.Set(&cmd, static_cast<GLuint>(11));
+  void* next_cmd =
+      cmd.Set(&cmd, static_cast<GLuint>(11), static_cast<GLuint>(12));
   EXPECT_EQ(static_cast<uint32_t>(cmds::TraceBeginCHROMIUM::kCmdId),
             cmd.header.command);
   EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
-  EXPECT_EQ(static_cast<GLuint>(11), cmd.bucket_id);
+  EXPECT_EQ(static_cast<GLuint>(11), cmd.category_bucket_id);
+  EXPECT_EQ(static_cast<GLuint>(12), cmd.name_bucket_id);
   CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
 }