Switch cc to std::unordered_*.

cc/resources/resource_provider_unittest.cc

Index: cc/resources/resource_provider_unittest.cc
diff --git a/cc/resources/resource_provider_unittest.cc b/cc/resources/resource_provider_unittest.cc
index 5fa1baa62bd802d644f6387e01a133066b518690..abee5c211bdef3971915658f0aea0df5789d9257 100644
--- a/cc/resources/resource_provider_unittest.cc
+++ b/cc/resources/resource_provider_unittest.cc
@@ -11,10 +11,10 @@
 #include <deque>
 #include <map>
 #include <set>
+#include <unordered_map>
 #include <vector>
 
 #include "base/bind.h"
-#include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "cc/output/output_surface.h"
@@ -181,9 +181,9 @@ class ContextSharedData {
 
   uint64_t next_fence_sync_;
   unsigned next_mailbox_;
-  typedef base::hash_map<unsigned, scoped_refptr<TestTexture>> TextureMap;
+  using TextureMap = std::unordered_map<unsigned, scoped_refptr<TestTexture>>;
   TextureMap textures_;
-  base::hash_map<unsigned, uint32_t> sync_point_for_mailbox_;
+  std::unordered_map<unsigned, uint32_t> sync_point_for_mailbox_;
 };
 
 class ResourceProviderContext : public TestWebGraphicsContext3D {