Base64-decode encoded ppds from the quirksserver, and update tests.

chromeos/printing/ppd_provider_unittest.cc

Index: chromeos/printing/ppd_provider_unittest.cc
diff --git a/chromeos/printing/ppd_provider_unittest.cc b/chromeos/printing/ppd_provider_unittest.cc
index 15d9e814ef1279f9abff74e4921e8474d4eadc2a..c21089fcb208f6ab45d22da615ffc7007e954bd8 100644
--- a/chromeos/printing/ppd_provider_unittest.cc
+++ b/chromeos/printing/ppd_provider_unittest.cc
@@ -27,9 +27,11 @@ const char kTestAPIKey[] = "BOGUSAPIKEY";
 const char kLocalPpdUrl[] = "/some/path";
 const char kTestManufacturer[] = "Bogus Printer Corp";
 const char kTestModel[] = "MegaPrint 9000";
+// The compressedPPD contents here comes from running the command
+// echo -n "This is the quirks ppd" | base64
 const char kQuirksResponse[] =
     "{\n"
-    "  \"compressedPpd\": \"This is the quirks ppd\",\n"
+    "  \"compressedPpd\": \"VGhpcyBpcyB0aGUgcXVpcmtzIHBwZA==\",\n"
     "  \"lastUpdatedTime\": \"1\"\n"
     "}\n";
 const char kQuirksPpd[] = "This is the quirks ppd";