Activate data reduction proxy after profile initialization is complete.

android_webview/browser/aw_browser_context.cc

Index: android_webview/browser/aw_browser_context.cc
diff --git a/android_webview/browser/aw_browser_context.cc b/android_webview/browser/aw_browser_context.cc
index bc3a09a319dc97057c6d1730fec57f8bb7191d9e..4e69de6e42f2d310557a8722db128df776bdb61d 100644
--- a/android_webview/browser/aw_browser_context.cc
+++ b/android_webview/browser/aw_browser_context.cc
@@ -216,7 +216,7 @@ void AwBrowserContext::CreateUserPrefServiceIfNecessary() {
     data_reduction_proxy_settings_->InitDataReductionProxySettings(
         user_pref_service_.get(),
         GetRequestContext());
-
+    data_reduction_proxy_settings_->MaybeActivateDataReductionProxy(true);
     data_reduction_proxy_settings_->SetDataReductionProxyEnabled(
         data_reduction_proxy_enabled_);
   }