[Feed] Import feed@fc251ed7fc1b6b1f86570a61f8b0b0e1970418a0

******************************Resource Sizes Diff******************************
Specifics:
       +73,760 bytes main lib size
      +209,044 bytes main dex size
      +499,660 bytes secondary dex size
    +1,128,615 bytes normalized apk size
InstallSize:
      +422,512 bytes APK size
    +1,251,695 bytes Estimated installed size (Android Go)
    +3,285,676 bytes Estimated installed size
InstallBreakdown (+3,284,366 bytes):
        +4,010 bytes Native resources (no l10n) size
        +2,688 bytes unwind_cfi (dev and canary only) size
        +2,749 bytes Non-compiled Android resources size
       +73,760 bytes Native code size
          +736 bytes Package metadata size
    +3,172,315 bytes Java code size
       +28,108 bytes Compiled Android resources size
Dex:
        +4,827 entries fields
        +6,819 entries methods
        +2,316 entries types
        +4,995 entries strings

R=pnoland@chromium.org

Change-Id: I529fa3f387880590824ca91da6cb827bf9f13757
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1579580Reviewed-by: Patrick Noland <pnoland@chromium.org>
Commit-Queue: Pavel Yatsuk <pavely@chromium.org>
Cr-Commit-Position: refs/heads/master@{#653400}

DEPS

@@ -212,7 +212,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'feed_revision': '7b04f569093e15ecc39b818a89101269ef8d76b5',
+  'feed_revision': 'fc251ed7fc1b6b1f86570a61f8b0b0e1970418a0',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling android_sdk_build-tools_version
   # and whatever else without interference from each other.

third_party/feed/README.chromium

@@ -2,7 +2,7 @@ Name: Feed
 Short name: feed
 URL: https://chromium.googlesource.com/feed
 Version: 0
-Revision: 7b04f569093e15ecc39b818a89101269ef8d76b5
+Revision: fc251ed7fc1b6b1f86570a61f8b0b0e1970418a0
 License: Apache 2.0
 License File: LICENSE
 Security Critical: yes

third_party/feed/java_sources.gni

@@ -117,8 +117,9 @@ feed_lib_java_sources = [
   "src/src/main/java/com/google/android/libraries/feed/feedprotocoladapter/internal/transformers/DataOperationTransformer.java",
   "src/src/main/java/com/google/android/libraries/feed/feedprotocoladapter/internal/transformers/FeatureDataOperationTransformer.java",
   "src/src/main/java/com/google/android/libraries/feed/feedrequestmanager/FeedActionUploadRequestManager.java",
-  "src/src/main/java/com/google/android/libraries/feed/feedrequestmanager/FeedRequestManager.java",
+  "src/src/main/java/com/google/android/libraries/feed/feedrequestmanager/FeedRequestManagerImpl.java",
   "src/src/main/java/com/google/android/libraries/feed/feedrequestmanager/RequestHelper.java",
+  "src/src/main/java/com/google/android/libraries/feed/feedrequestmanager/RequestManagerImpl.java",
   "src/src/main/java/com/google/android/libraries/feed/feedrequestmanager/UploadableActionsRequestBuilder.java",
   "src/src/main/java/com/google/android/libraries/feed/feedrequestmanager/internal/Utils.java",
   "src/src/main/java/com/google/android/libraries/feed/feedsessionmanager/FeedSessionManager.java",
@@ -224,6 +225,7 @@ feed_lib_java_sources = [
   "src/src/main/java/com/google/android/libraries/feed/internalapi/modelprovider/TokenCompleted.java",
   "src/src/main/java/com/google/android/libraries/feed/internalapi/modelprovider/TokenCompletedObserver.java",
   "src/src/main/java/com/google/android/libraries/feed/internalapi/protocoladapter/ProtocolAdapter.java",
+  "src/src/main/java/com/google/android/libraries/feed/internalapi/requestmanager/FeedRequestManager.java",
   "src/src/main/java/com/google/android/libraries/feed/internalapi/store/ActionPropertiesMutation.java",
   "src/src/main/java/com/google/android/libraries/feed/internalapi/store/ContentMutation.java",
   "src/src/main/java/com/google/android/libraries/feed/internalapi/store/LocalActionMutation.java",
@@ -232,7 +234,6 @@ feed_lib_java_sources = [
   "src/src/main/java/com/google/android/libraries/feed/internalapi/store/Store.java",
   "src/src/main/java/com/google/android/libraries/feed/internalapi/store/StoreListener.java",
   "src/src/main/java/com/google/android/libraries/feed/internalapi/store/UploadableActionMutation.java",
-  "src/src/main/java/com/google/android/libraries/feed/mocknetworkclient/MockPushServer.java",
   "src/src/main/java/com/google/android/libraries/feed/mocknetworkclient/MockServerNetworkClient.java",
   "src/src/main/java/com/google/android/libraries/feed/piet/AdapterFactory.java",
   "src/src/main/java/com/google/android/libraries/feed/piet/AdapterParameters.java",
@@ -312,6 +313,8 @@ feed_lib_java_sources = [
   "src/src/main/java/com/google/android/libraries/feed/sharedstream/piet/PietStringFormatter.java",
   "src/src/main/java/com/google/android/libraries/feed/sharedstream/publicapi/menumeasurer/MenuMeasurer.java",
   "src/src/main/java/com/google/android/libraries/feed/sharedstream/publicapi/menumeasurer/Size.java",
+  "src/src/main/java/com/google/android/libraries/feed/sharedstream/publicapi/scroll/ScrollObservable.java",
+  "src/src/main/java/com/google/android/libraries/feed/sharedstream/publicapi/scroll/ScrollObserver.java",
   "src/src/main/java/com/google/android/libraries/feed/sharedstream/removetrackingfactory/StreamRemoveTrackingFactory.java",
   "src/src/main/java/com/google/android/libraries/feed/sharedstream/scroll/ScrollEvents.java",
   "src/src/main/java/com/google/android/libraries/feed/sharedstream/scroll/ScrollLogger.java",
@@ -343,7 +346,7 @@ feed_conformance_test_lib_sources = [
   "src/src/main/java/com/google/android/libraries/feed/testing/conformance/storage/JournalStorageConformanceTest.java",
   "src/src/main/java/com/google/android/libraries/feed/testing/conformance/storage/JournalStorageDirectConformanceTest.java",
   "src/src/main/java/com/google/android/libraries/feed/testing/requestmanager/FakeActionUploadRequestManager.java",
-  "src/src/main/java/com/google/android/libraries/feed/testing/requestmanager/FakeRequestManager.java",
+  "src/src/main/java/com/google/android/libraries/feed/testing/requestmanager/FakeFeedRequestManager.java",
   "src/src/main/java/com/google/android/libraries/feed/testing/host/logging/FakeBasicLoggingApi.java",
   "src/src/main/java/com/google/android/libraries/feed/testing/host/offlineindicator/FakeOfflineIndicatorApi.java",
   "src/src/main/java/com/google/android/libraries/feed/testing/host/scheduler/FakeSchedulerApi.java",