Added alternative configuration for the data reduction proxy

Added a second configuration that can support two http proxies and one https proxy. In the process, added a new DataReductionProxyParams object to encapsulate static configuration details and made DataReductionSettingsAndroid a BrowserKeyedContextService.

BUG=370039

Review URL: https://codereview.chromium.org/286013002

git-svn-id: http://src.chromium.org/svn/trunk/src/build@273810 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -550,6 +550,9 @@
       'spdy_proxy_auth_property%' : '',
       'spdy_proxy_auth_value%' : '',
       'data_reduction_proxy_probe_url%' : '',
+      'data_reduction_proxy_ssl_origin%' : '',
+      'data_reduction_proxy_alt_origin%' : '',
+      'data_reduction_proxy_alt_fallback_origin%' : '',
       'enable_mdns%' : 0,
       'enable_service_discovery%': 0,
       'enable_wifi_bootstrapping%': 0,
@@ -1099,6 +1102,9 @@
     'spdy_proxy_auth_property%': '<(spdy_proxy_auth_property)',
     'spdy_proxy_auth_value%': '<(spdy_proxy_auth_value)',
     'data_reduction_proxy_probe_url%': '<(data_reduction_proxy_probe_url)',
+    'data_reduction_proxy_ssl_origin%' : '<(data_reduction_proxy_ssl_origin)',
+    'data_reduction_proxy_alt_origin%' : '<(data_reduction_proxy_alt_origin)',
+    'data_reduction_proxy_alt_fallback_origin%' : '<(data_reduction_proxy_alt_fallback_origin)',
     'enable_mdns%' : '<(enable_mdns)',
     'enable_service_discovery%' : '<(enable_service_discovery)',
     'enable_wifi_bootstrapping%': '<(enable_wifi_bootstrapping)',
@@ -2718,6 +2724,18 @@
         'defines': [
           'DATA_REDUCTION_PROXY_PROBE_URL="<(data_reduction_proxy_probe_url)"'],
       }],
+      ['data_reduction_proxy_ssl_origin != ""', {
+        'defines': [
+          'DATA_REDUCTION_PROXY_SSL_ORIGIN="<(data_reduction_proxy_ssl_origin)"'],
+      }],
+      ['data_reduction_proxy_alt_origin != ""', {
+        'defines': [
+          'DATA_REDUCTION_PROXY_ALT_ORIGIN="<(data_reduction_proxy_alt_origin)"'],
+      }],
+      ['data_reduction_proxy_alt_fallback_origin != ""', {
+        'defines': [
+          'DATA_REDUCTION_PROXY_ALT_FALLBACK_ORIGIN="<(data_reduction_proxy_alt_fallback_origin)"'],
+      }],
       ['enable_mdns==1', {
         'defines': ['ENABLE_MDNS=1'],
       }],