Pull cacheinvalidations code directory into chromium repo.

third_party/cacheinvalidation/src/google/cacheinvalidation/types.proto

Index: third_party/cacheinvalidation/src/google/cacheinvalidation/types.proto
diff --git a/third_party/cacheinvalidation/src/google/cacheinvalidation/types.proto b/third_party/cacheinvalidation/src/google/cacheinvalidation/types.proto
new file mode 100644
index 0000000000000000000000000000000000000000..f953b790054c59ce62abb550431dc35dee197406
--- /dev/null
+++ b/third_party/cacheinvalidation/src/google/cacheinvalidation/types.proto
@@ -0,0 +1,67 @@
+// Copyright 2011 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Enums definitions for main types in the cache invalidation system.
+
+syntax = "proto2";
+
+option optimize_for = LITE_RUNTIME;
+
+package ipc.invalidation;
+
+// The type of client / application.
+message ClientType {
+  enum Type {
+    INTERNAL = 1;
+    TEST = 2;  // Uncontrolled client space for use by anyone for testing.
+    DEMO = 4;  // A demo client type that can be used for testing.
+
+    // Numbers below 1000 are reserved for internal use.
+    CHROME_SYNC = 1004;
+    CHROME_SYNC_ANDROID = 1018;
+    CHROME_SYNC_IOS = 1038;
+    CHROME_SYNC_GCM_DESKTOP = 1055;
+    CHROME_SYNC_GCM_IOS = 1056;
+  }
+  optional Type type = 1;
+}
+
+// The property that hosts the object.
+message ObjectSource {
+  //
+  // NOTE: This enum MUST be kept in sync with ObjectIdP.Source in
+  // internal.proto.
+  //
+  enum Type {
+    INTERNAL = 1;
+    TEST = 2;  // Uncontrolled object space for use by anyone for testing.
+    DEMO = 4;  // A demo object source that can be used for testing.
+
+    // Numbers below 1000 are reserved for internal use.
+    CHROME_SYNC = 1004;
+    COSMO_CHANGELOG = 1014;
+    CHROME_COMPONENTS = 1025;
+    CHROME_PUSH_MESSAGING = 1030;
+  }
+  optional Type type = 1;
+}
+
+// A dummy message to enclose various enum constant declarations.
+message Constants {
+  // Constants related to object versions.
+  enum ObjectVersion {
+    // Version number used to indicate that an object's version is unknown.
+    UNKNOWN = 0;
+  }
+}