Reland: Move wtf_unittests to platform/wtf/.

third_party/WebKit/Source/platform/wtf/text/StringBuilderTest.cpp

Index: third_party/WebKit/Source/platform/wtf/text/StringBuilderTest.cpp
diff --git a/third_party/WebKit/Source/wtf/text/StringBuilderTest.cpp b/third_party/WebKit/Source/platform/wtf/text/StringBuilderTest.cpp
similarity index 98%
rename from third_party/WebKit/Source/wtf/text/StringBuilderTest.cpp
rename to third_party/WebKit/Source/platform/wtf/text/StringBuilderTest.cpp
index acaee22832dc68df09c65aaccf64cc91a6736560..524a8c14391e86685bf4a69dd6c24a6a15e30158 100644
--- a/third_party/WebKit/Source/wtf/text/StringBuilderTest.cpp
+++ b/third_party/WebKit/Source/platform/wtf/text/StringBuilderTest.cpp
@@ -29,13 +29,13 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "wtf/text/StringBuilder.h"
+#include "platform/wtf/text/StringBuilder.h"
 
+#include "platform/wtf/Assertions.h"
+#include "platform/wtf/text/CString.h"
+#include "platform/wtf/text/CharacterNames.h"
+#include "platform/wtf/text/WTFString.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "wtf/Assertions.h"
-#include "wtf/text/CString.h"
-#include "wtf/text/CharacterNames.h"
-#include "wtf/text/WTFString.h"
 
 namespace WTF {