Add support for gcm_sender_id in Manifest.

content/renderer/manifest/manifest_parser_unittest.cc

Index: content/renderer/manifest/manifest_parser_unittest.cc
diff --git a/content/renderer/manifest/manifest_parser_unittest.cc b/content/renderer/manifest/manifest_parser_unittest.cc
index 0e500aec9e2c2bce3f123bbd36cd2b8d1ecc2f07..4ab92863772309182ab87f56dc799945b9c07df3 100644
--- a/content/renderer/manifest/manifest_parser_unittest.cc
+++ b/content/renderer/manifest/manifest_parser_unittest.cc
@@ -7,6 +7,7 @@
 #include "base/strings/string_util.h"
 #include "content/public/common/manifest.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 
 namespace content {
 
@@ -160,4 +161,45 @@ TEST_F(ManifestParserTest, StartURLParseRules) {
   }
 }
 
+TEST_F(ManifestParserTest, GCMSenderIDParseRules) {
+  bool push_messaging_enabled =
+      blink::WebRuntimeFeatures::isPushMessagingEnabled();
+
+  blink::WebRuntimeFeatures::enablePushMessaging(true);
+
+  // Smoke test.
+  {
+    Manifest manifest = ParseManifest("{ \"gcm_sender_id\": \"foo\" }");
+    ASSERT_TRUE(EqualsASCII(manifest.gcm_sender_id.string(), "foo"));
+  }
+
+  // Trim whitespaces.
+  {
+    Manifest manifest = ParseManifest("{ \"gcm_sender_id\": \"  foo  \" }");
+    ASSERT_TRUE(EqualsASCII(manifest.gcm_sender_id.string(), "foo"));
+  }
+
+  // Don't parse if name isn't a string.
+  {
+    Manifest manifest = ParseManifest("{ \"gcm_sender_id\": {} }");
+    ASSERT_TRUE(manifest.gcm_sender_id.is_null());
+  }
+
+  // Don't parse if name isn't a string.
+  {
+    Manifest manifest = ParseManifest("{ \"gcm_sender_id\": 42 }");
+    ASSERT_TRUE(manifest.gcm_sender_id.is_null());
+  }
+
+  blink::WebRuntimeFeatures::enablePushMessaging(false);
+
+  // Check that we don't parse it if PushMessaging isn't enabled.
+  {
+    Manifest manifest = ParseManifest("{ \"gcm_sender_id\": \"foo\" }");
+    ASSERT_TRUE(manifest.gcm_sender_id.is_null());
+  }
+
+  blink::WebRuntimeFeatures::enablePushMessaging(push_messaging_enabled);
+}
+
 } // namespace content