WebKit naming doesn't follow the _test.cpp suffix.

Example message from "git cl lint":
third_party/WebKit/Source/platform/blob/BlobBytesProviderTest.cpp:7:  Found C++ system header after other header. Should be: BlobBytesProviderTest.h, c system, c++ system, other.  [build/include_order] [4]
third_party/WebKit/Source/platform/blob/BlobBytesProviderTest.cpp:8:  Found C++ system header after other header. Should be: BlobBytesProviderTest.h, c system, c++ system, other.  [build/include_order] [4]
third_party/WebKit/Source/platform/blob/BlobBytesProviderTest.cpp:9:  Found C++ system header after other header. Should be: BlobBytesProviderTest.h, c system, c++ system, other.  [build/include_order] [4]

With the includes being:
#include "platform/blob/BlobBytesProvider.h"

#include <algorithm>
#include <memory>
#include <utility>

#include "base/files/file.h"
#include "base/files/file_util.h"
#include "base/run_loop.h"
#include "base/test/scoped_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"