[Feed] Temporarily compile out Feed for branching.

Feed component adds a significant amount of code that's not used yet
for users. See Feed DEPS rolls for current size impact.

This change also fixes some areas outside of components/feed/ that were
assuming Feed was always compiled in on Android.

TBR=gab@chromium.org

Change-Id: I72944b4518388ee650f9fd0c444d52b9ddcc23b7
Reviewed-on: https://chromium-review.googlesource.com/1142296
Commit-Queue: Sky Malice <skym@chromium.org>
Reviewed-by: Filip Gorski <fgorski@chromium.org>
Reviewed-by: Martin Šrámek <msramek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576351}

chrome/browser/browsing_data/chrome_browsing_data_remover_delegate.cc

@@ -108,6 +108,7 @@
 #include "chrome/browser/android/webapps/webapp_registry.h"
 #include "chrome/browser/media/android/cdm/media_drm_license_manager.h"
 #include "chrome/browser/offline_pages/offline_page_model_factory.h"
+#include "components/feed/buildflags.h"
 #include "components/offline_pages/core/offline_page_feature.h"
 #include "components/offline_pages/core/offline_page_model.h"
 #include "sql/connection.h"
@@ -412,11 +413,13 @@ void ChromeBrowsingDataRemoverDelegate::RemoveEmbedderData(
     }
 
 #if defined(OS_ANDROID)
+#if BUILDFLAG(ENABLE_FEED_IN_CHROME)
     feed::FeedHostService* feed_host_service =
         feed::FeedHostServiceFactory::GetForBrowserContext(profile_);
     if (feed_host_service) {
       feed_host_service->GetSchedulerHost()->OnHistoryCleared();
     }
+#endif  // BUILDFLAG(ENABLE_FEED_IN_CHROME)
 #endif  // defined(OS_ANDROID)
 
     language::UrlLanguageHistogram* language_histogram =

chrome/browser/browsing_data/chrome_browsing_data_remover_delegate_unittest.cc

@@ -96,6 +96,7 @@
 #include "chrome/browser/android/customtabs/origin_verifier.h"
 #include "chrome/browser/android/search_permissions/search_permissions_service.h"
 #include "chrome/browser/android/webapps/webapp_registry.h"
+#include "components/feed/buildflags.h"
 #else  // !defined(OS_ANDROID)
 #include "components/safe_browsing/password_protection/mock_password_protection_service.h"
 #include "content/public/browser/host_zoom_map.h"
@@ -2958,6 +2959,7 @@ TEST_F(ChromeBrowsingDataRemoverDelegateTest, WipeOriginVerifierData) {
       customtabs::OriginVerifier::GetClearBrowsingDataCallCountForTesting());
 }
 
+#if BUILDFLAG(ENABLE_FEED_IN_CHROME)
 TEST_F(ChromeBrowsingDataRemoverDelegateTest, FeedClearsLastFetchAttempt) {
   PrefService* prefs = GetProfile()->GetPrefs();
   prefs->SetTime(feed::prefs::kLastFetchAttemptTime, base::Time::Now());
@@ -2968,4 +2970,5 @@ TEST_F(ChromeBrowsingDataRemoverDelegateTest, FeedClearsLastFetchAttempt) {
 
   EXPECT_EQ(base::Time(), prefs->GetTime(feed::prefs::kLastFetchAttemptTime));
 }
+#endif  // BUILDFLAG(ENABLE_FEED_IN_CHROME)
 #endif  // defined(OS_ANDROID)

chrome/browser/prefs/pref_service_incognito_whitelist.cc

@@ -50,6 +50,7 @@
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/android/contextual_suggestions/contextual_suggestions_prefs.h"
+#include "components/feed/buildflags.h"
 #include "components/feed/core/pref_names.h"
 #endif  // defined(OS_ANDROID)
 
@@ -82,7 +83,6 @@ namespace {
 // storage default, from on disk to in memory. All items in this list will be
 // audited and checked with owners and removed from whitelist.
 const char* incognito_whitelist[] = {
-
 // ash/public/cpp/ash_pref_names.h
 #if defined(OS_CHROMEOS)
     ash::prefs::kAccessibilityLargeCursorEnabled,
@@ -1082,11 +1082,13 @@ const char* incognito_whitelist[] = {
 
 // components/feed/core/pref_names.h
 #if defined(OS_ANDROID)
+#if BUILDFLAG(ENABLE_FEED_IN_CHROME)
     feed::prefs::kBackgroundRefreshPeriod, feed::prefs::kLastFetchAttemptTime,
     feed::prefs::kUserClassifierAverageNTPOpenedPerHour,
     feed::prefs::kUserClassifierAverageSuggestionsUsedPerHour,
     feed::prefs::kUserClassifierLastTimeToOpenNTP,
     feed::prefs::kUserClassifierLastTimeToUseSuggestions,
+#endif  // BUILDFLAG(ENABLE_FEED_IN_CHROME)
 #endif  // defined(OS_ANDROID)
 
     // components/flags_ui/flags_ui_pref_names.h

components/feed/features.gni

@@ -3,5 +3,6 @@
 # found in the LICENSE file.
 
 declare_args() {
-  enable_feed_in_chrome = is_android
+  # Temporarily compile out Feed while M69 branches to avoid bloating binary.
+  enable_feed_in_chrome = false
 }