Let DM run unit tests.

tests/Test.cpp

Index: tests/Test.cpp
diff --git a/tests/Test.cpp b/tests/Test.cpp
index daa23b132cccbebd67e4ab1a7cde4983669a49d6..95b2f91c0cef974a23617c44fb64e46cee611dc2 100644
--- a/tests/Test.cpp
+++ b/tests/Test.cpp
@@ -7,6 +7,7 @@
  */
 #include "Test.h"
 
+#include "SkCommandLineFlags.h"
 #include "SkError.h"
 #include "SkString.h"
 #include "SkTArray.h"
@@ -19,6 +20,8 @@
 class GrContext;
 #endif
 
+DEFINE_string2(tmpDir, t, NULL, "tmp directory for tests to use.");
+
 using namespace skiatest;
 
 Reporter::Reporter() : fTestCount(0) {
@@ -114,23 +117,15 @@ void Test::run() {
 
 }
 
-///////////////////////////////////////////////////////////////////////////////
+SkString Test::GetTmpDir() {
+    const char* tmpDir = FLAGS_tmpDir.isEmpty() ? NULL : FLAGS_tmpDir[0];
+    return SkString(tmpDir);
+}
 
-#if SK_SUPPORT_GPU
-#include "GrContextFactory.h"
-GrContextFactory gGrContextFactory;
-#endif
+static const char* gResourcePath = NULL;
+void Test::SetResourcePath(const char* resourcePath) { gResourcePath = resourcePath; }
 
-GrContextFactory* GpuTest::GetGrContextFactory() {
-#if SK_SUPPORT_GPU
-    return &gGrContextFactory;
-#else
-    return NULL;
-#endif
+SkString Test::GetResourcePath() {
+    return SkString(gResourcePath);
 }
 
-void GpuTest::DestroyContexts() {
-#if SK_SUPPORT_GPU
-    gGrContextFactory.destroyContexts();
-#endif
-}