platform/testing/{URL|Unit}TestHelpers improvements

third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp

Index: third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp
diff --git a/third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp b/third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp
index 11c1b1d8b5872a59bba1fe117a8b1c6a8bf7b7f1..dc35bf7c83943e5079d61a2e8e85953228d70a03 100644
--- a/third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp
+++ b/third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp
@@ -46,6 +46,8 @@ using ::testing::StrEq;
 using ::testing::Truly;
 using Checkpoint = ::testing::StrictMock<::testing::MockFunction<void(int)>>;
 
+constexpr char kFileName[] = "fox-null-terminated.html";
+
 class MockThreadableLoaderClient : public ThreadableLoaderClient {
  public:
   static std::unique_ptr<MockThreadableLoaderClient> create() {
@@ -411,7 +413,7 @@ class ThreadableLoaderTest
 
   void setUpSuccessURL() {
     URLTestHelpers::registerMockedURLLoad(
-        successURL(), "fox-null-terminated.html", "text/html");
+        successURL(), testing::webTestDataPath(kFileName), "text/html");
   }
 
   void setUpErrorURL() {
@@ -432,7 +434,7 @@ class ThreadableLoaderTest
     response.addHTTPHeaderField("Access-Control-Allow-Origin", "null");
 
     URLTestHelpers::registerMockedURLLoadWithCustomResponse(
-        url, "fox-null-terminated.html", "", response);
+        url, testing::webTestDataPath(kFileName), response);
   }
 
   void setUpRedirectLoopURL() {
@@ -449,7 +451,7 @@ class ThreadableLoaderTest
     response.addHTTPHeaderField("Access-Control-Allow-Origin", "null");
 
     URLTestHelpers::registerMockedURLLoadWithCustomResponse(
-        url, "fox-null-terminated.html", "", response);
+        url, testing::webTestDataPath(kFileName), response);
   }
 
   std::unique_ptr<MockThreadableLoaderClient> m_client;