[Android] Enable SB protection when --enable-spdy-proxy-auth is on.

The flag is used for testing purpose, and was left out.
Flywheel protection is on when flag is on or setting is on.

BUG=381896

Review URL: https://codereview.chromium.org/398853003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284002 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/profiles/profile_io_data.cc

@@ -97,6 +97,7 @@
 #if defined(OS_ANDROID)
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_settings_factory_android.h"
+#include "components/data_reduction_proxy/common/data_reduction_proxy_switches.h"
 #endif  // defined(OS_ANDROID)
 
 #if defined(OS_CHROMEOS)
@@ -839,6 +840,14 @@ bool ProfileIOData::GetMetricsEnabledStateOnIOThread() const {
 #endif  // defined(OS_CHROMEOS)
 }
 
+#if defined(OS_ANDROID)
+bool ProfileIOData::IsDataReductionProxyEnabled() const {
+  return data_reduction_proxy_enabled_.GetValue() ||
+         CommandLine::ForCurrentProcess()->HasSwitch(
+            data_reduction_proxy::switches::kEnableDataReductionProxy);
+}
+#endif
+
 base::WeakPtr<net::HttpServerProperties>
 ProfileIOData::http_server_properties() const {
   return http_server_properties_->GetWeakPtr();
@@ -1175,7 +1184,9 @@ void ProfileIOData::ShutdownOnUIThread() {
   enable_metrics_.Destroy();
 #endif
   safe_browsing_enabled_.Destroy();
+#if defined(OS_ANDROID)
   data_reduction_proxy_enabled_.Destroy();
+#endif
   printing_enabled_.Destroy();
   sync_disabled_.Destroy();
   signin_allowed_.Destroy();

chrome/browser/profiles/profile_io_data.h

@@ -170,9 +170,13 @@ class ProfileIOData {
     return &safe_browsing_enabled_;
   }
 
+#if defined(OS_ANDROID)
+  // TODO(feng): move the function to protected area.
+  // IsDataReductionProxyEnabled() should be used as public API.
   BooleanPrefMember* data_reduction_proxy_enabled() const {
     return &data_reduction_proxy_enabled_;
   }
+#endif
 
   BooleanPrefMember* printing_enabled() const {
     return &printing_enabled_;
@@ -242,6 +246,12 @@ class ProfileIOData {
   // should only be called from there.
   bool GetMetricsEnabledStateOnIOThread() const;
 
+#if defined(OS_ANDROID)
+  // Returns whether or not data reduction proxy is enabled in the browser
+  // instance on which this profile resides.
+  bool IsDataReductionProxyEnabled() const;
+#endif
+
   void set_client_cert_store_factory_for_testing(
     const base::Callback<scoped_ptr<net::ClientCertStore>()>& factory) {
       client_cert_store_factory_ = factory;
@@ -534,7 +544,9 @@ class ProfileIOData {
   mutable BooleanPrefMember enable_do_not_track_;
   mutable BooleanPrefMember force_safesearch_;
   mutable BooleanPrefMember safe_browsing_enabled_;
+#if defined(OS_ANDROID)
   mutable BooleanPrefMember data_reduction_proxy_enabled_;
+#endif
   mutable BooleanPrefMember printing_enabled_;
   mutable BooleanPrefMember sync_disabled_;
   mutable BooleanPrefMember signin_allowed_;

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

@@ -490,7 +490,7 @@ void ChromeResourceDispatcherHostDelegate::AppendStandardResourceThrottles(
   // policies first.
   if (io_data->safe_browsing_enabled()->GetValue()
 #if defined(OS_ANDROID)
-      || io_data->data_reduction_proxy_enabled()->GetValue()
+      || io_data->IsDataReductionProxyEnabled()
 #endif
   ) {
     bool is_subresource_request = resource_type != ResourceType::MAIN_FRAME;