Create a new disk_cache type, SHADER_CACHE.

net/disk_cache/entry_unittest.cc

Index: net/disk_cache/entry_unittest.cc
diff --git a/net/disk_cache/entry_unittest.cc b/net/disk_cache/entry_unittest.cc
index 6438f2ec7e0e07685fa6f0b6232523593cb9a639..71f8a03a81825c7fe0e3227f727365ba4bb21963 100644
--- a/net/disk_cache/entry_unittest.cc
+++ b/net/disk_cache/entry_unittest.cc
@@ -656,6 +656,9 @@ void DiskCacheEntryTest::GetTimes() {
   if (type_ == net::APP_CACHE) {
     EXPECT_TRUE(entry->GetLastUsed() < t2);
     EXPECT_TRUE(entry->GetLastModified() < t2);
+  } else if (type_ == net::SHADER_CACHE) {
+    EXPECT_TRUE(entry->GetLastUsed() < t3);
+    EXPECT_TRUE(entry->GetLastModified() < t3);
   } else {
     EXPECT_TRUE(entry->GetLastUsed() >= t3);
     EXPECT_TRUE(entry->GetLastModified() < t3);
@@ -680,6 +683,12 @@ TEST_F(DiskCacheEntryTest, AppCacheGetTimes) {
   GetTimes();
 }
 
+TEST_F(DiskCacheEntryTest, ShaderCacheGetTimes) {
+  SetCacheType(net::SHADER_CACHE);
+  InitCache();
+  GetTimes();
+}
+
 void DiskCacheEntryTest::GrowData() {
   std::string key1("the first key");
   disk_cache::Entry* entry;