[Android] Only invalidate objects that were received from Tango on resume.

components/invalidation.gypi

Index: components/invalidation.gypi
diff --git a/components/invalidation.gypi b/components/invalidation.gypi
index 8378c2cd26ed5e761874018910bd240c2aec4b8d..224c5807fcc1ee945b6a11eaac9c904eae549359 100644
--- a/components/invalidation.gypi
+++ b/components/invalidation.gypi
@@ -180,6 +180,7 @@
             '../base/base.gyp:base',
             '../sync/sync.gyp:sync_java',
             '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation_javalib',
+            'invalidation_proto_java',
           ],
           'variables': {
             'java_in_dir': 'invalidation/android/java',
@@ -187,6 +188,14 @@
           'includes': [ '../build/java.gypi' ],
         },
         {
+          'target_name': 'invalidation_proto_java',
+          'type': 'none',
+          'sources': [
+            'invalidation/android/java/src/org/chromium/components/invalidation/serialized_invalidation.proto',
+          ],
+          'includes': [ '../build/protoc_java.gypi' ],
+        },
+        {
           'target_name': 'invalidation_javatests',
           'type': 'none',
           'dependencies': [
@@ -199,6 +208,23 @@
           'includes': [ '../build/java.gypi' ],
         },
         {
+          'target_name': 'invalidation_java_unit_tests',

[Bernhard Bauer, 2015/06/05 16:17:49]

Nit: These kinds of targets are usually named "X_junit_tests".

[knn, 2015/06/05 16:31:43]

Done.

+          'type': 'none',
+          'dependencies': [
+            'invalidation_java',
+            '../base/base.gyp:base_java',
+            '../base/base.gyp:base_java_test_support',
+            '../testing/android/junit/junit_test.gyp:junit_test_support',
+          ],
+          'variables': {
+            'main_class': 'org.chromium.testing.local.JunitTestMain',
+            'src_paths': [
+              'invalidation/android/junit/'
+            ],
+          },
+          'includes': [ '../build/host_jar.gypi' ],
+        },
+        {
           'target_name': 'invalidation_jni_headers',
           'type': 'none',
           'sources': [