Remove content dep from components/drp/core/browser

Bug: 1154790
Change-Id: If4d9a70b41151d3f465976637a54aa826821bbfd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2623717
Auto-Submit: Sophie Chang <sophiechang@chromium.org>
Commit-Queue: Michael Crouse <mcrouse@chromium.org>
Reviewed-by: Michael Crouse <mcrouse@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842583}

components/data_reduction_proxy/core/browser/BUILD.gn

@@ -47,7 +47,6 @@ if (is_android) {
       "//components/previews/core:core",
       "//components/variations",
       "//components/variations/net",
-      "//content/public/browser",
       "//crypto",
       "//google_apis",
       "//net:net",
@@ -81,7 +80,6 @@ static_library("browser") {
     "//components/previews/core:core",
     "//components/variations",
     "//components/variations/net",
-    "//content/public/browser",
     "//crypto",
     "//google_apis",
     "//net",
@@ -173,8 +171,6 @@ source_set("unit_tests") {
     "//components/prefs:test_support",
     "//components/previews/core",
     "//components/variations",
-    "//content/public/browser",
-    "//content/test:test_support",
     "//net:test_support",
     "//services/network:network_service",
     "//services/network:test_support",

components/data_reduction_proxy/core/browser/DEPS

@@ -4,6 +4,4 @@ include_rules = [
   "+services/network/public",
   "+services/network/test",
   "+third_party/leveldatabase",
-  "+content/public/browser",
-  "+content/public/test",
 ]

components/data_reduction_proxy/core/browser/data_reduction_proxy_service_unittest.cc

@@ -12,6 +12,7 @@
 #include "base/metrics/field_trial.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/test/task_environment.h"
 #include "base/time/default_clock.h"
 #include "base/time/time.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_config_service_client_test_utils.h"
@@ -24,7 +25,6 @@
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_switches.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/testing_pref_service.h"
-#include "content/public/test/browser_task_environment.h"
 #include "net/proxy_resolution/proxy_info.h"
 #include "net/proxy_resolution/proxy_resolution_service.h"
 #include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
@@ -52,10 +52,8 @@ class DataReductionProxyServiceTest : public testing::Test {
 
   PrefService* prefs() { return &prefs_; }
 
- protected:
-  content::BrowserTaskEnvironment task_environment_;
-
  private:
+  base::test::TaskEnvironment task_environment_;
   TestingPrefServiceSimple prefs_;
 };