Remove the chrome include in extensions\DEPS by creating a test data directory for extensions.

extensions/browser/file_reader_unittest.cc

Index: extensions/browser/file_reader_unittest.cc
===================================================================
--- extensions/browser/file_reader_unittest.cc	(revision 191004)
+++ extensions/browser/file_reader_unittest.cc	(working copy)
@@ -8,16 +8,16 @@
 #include "base/files/file_path.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
-#include "chrome/common/chrome_paths.h"
 #include "content/public/test/test_browser_thread.h"
 #include "extensions/browser/file_reader.h"
+#include "extensions/common/extension_paths.h"
 #include "extensions/common/extension_resource.h"
 #include "extensions/common/id_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 
-namespace {
+namespace extensions {
 
 class FileReaderTest : public testing::Test {
  public:
@@ -54,14 +54,14 @@
 
 void RunBasicTest(const char* filename) {
   base::FilePath path;
-  PathService::Get(chrome::DIR_TEST_DATA, &path);
-  std::string extension_id = extensions::id_util::GenerateId("test");
-  extensions::ExtensionResource resource(
+  PathService::Get(DIR_TEST_DATA, &path);
+  std::string extension_id = id_util::GenerateId("test");
+  ExtensionResource resource(
       extension_id, path, base::FilePath().AppendASCII(filename));
   path = path.AppendASCII(filename);
 
   std::string file_contents;
-  bool file_exists = file_util::ReadFileToString(path, &file_contents);
+  ASSERT_TRUE(file_util::ReadFileToString(path, &file_contents));
 
   Receiver receiver;
 
@@ -71,23 +71,23 @@
 
   MessageLoop::current()->Run();
 
-  EXPECT_EQ(file_exists, receiver.succeeded());
+  EXPECT_TRUE(receiver.succeeded());
   EXPECT_EQ(file_contents, receiver.data());
 }
 
 TEST_F(FileReaderTest, SmallFile) {
-  RunBasicTest("title1.html");
+  RunBasicTest("smallfile");
 }
 
 TEST_F(FileReaderTest, BiggerFile) {
-  RunBasicTest("download-test1.lib");
+  RunBasicTest("bigfile");
 }
 
 TEST_F(FileReaderTest, NonExistantFile) {
   base::FilePath path;
-  PathService::Get(chrome::DIR_TEST_DATA, &path);
-  std::string extension_id = extensions::id_util::GenerateId("test");
-  extensions::ExtensionResource resource(extension_id, path, base::FilePath(
+  PathService::Get(DIR_TEST_DATA, &path);
+  std::string extension_id = id_util::GenerateId("test");
+  ExtensionResource resource(extension_id, path, base::FilePath(
       FILE_PATH_LITERAL("file_that_does_not_exist")));
   path = path.AppendASCII("file_that_does_not_exist");
 
@@ -102,4 +102,4 @@
   EXPECT_FALSE(receiver.succeeded());
 }
 
-}  // namespace
+}  // namespace extensions