gdata: Support mounting archive files in GData cache.

chrome/browser/chromeos/gdata/gdata_util_unittest.cc

Index: chrome/browser/chromeos/gdata/gdata_util_unittest.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_util_unittest.cc b/chrome/browser/chromeos/gdata/gdata_util_unittest.cc
index 1496e5d48e81ede983fbf4caf629109e71e0646b..7359f1a3ae88151595ac55a95d85d0d2a4020613 100644
--- a/chrome/browser/chromeos/gdata/gdata_util_unittest.cc
+++ b/chrome/browser/chromeos/gdata/gdata_util_unittest.cc
@@ -51,5 +51,38 @@ TEST(GDataUtilTest, ExtractGDataPath) {
                 FilePath::FromUTF8Unsafe("/special/gdata/subdir/foo.txt")));
 }
 
+TEST(GDataUtilTest, ParseCacheFilePath) {
+  std::string resource_id, md5, extra_extension;
+  ParseCacheFilePath(
+      FilePath::FromUTF8Unsafe(
+          "/home/user/GCache/v1/persistent/pdf:a1b2.0123456789abcdef.mounted"),
+      &resource_id,
+      &md5,
+      &extra_extension);
+  EXPECT_EQ(resource_id, "pdf:a1b2");
+  EXPECT_EQ(md5, "0123456789abcdef");
+  EXPECT_EQ(extra_extension, "mounted");
+
+  ParseCacheFilePath(
+      FilePath::FromUTF8Unsafe(
+          "/home/user/GCache/v1/tmp/pdf:a1b2.0123456789abcdef"),
+      &resource_id,
+      &md5,
+      &extra_extension);
+  EXPECT_EQ(resource_id, "pdf:a1b2");
+  EXPECT_EQ(md5, "0123456789abcdef");
+  EXPECT_EQ(extra_extension, "");
+
+  ParseCacheFilePath(
+      FilePath::FromUTF8Unsafe(
+          "/home/user/GCache/v1/pinned/pdf:a1b2"),
+      &resource_id,
+      &md5,
+      &extra_extension);
+  EXPECT_EQ(resource_id, "pdf:a1b2");
+  EXPECT_EQ(md5, "");
+  EXPECT_EQ(extra_extension, "");
+}
+
 }  // namespace util
 }  // namespace gdata