Add Data Saver support to Cronet

net/url_request/url_request_context_builder.h

Index: net/url_request/url_request_context_builder.h
diff --git a/net/url_request/url_request_context_builder.h b/net/url_request/url_request_context_builder.h
index 209b36ab809e39111b68700f805b655076cac47f..c78f756dd2fd91a64a8a541339325289a5bc4b81 100644
--- a/net/url_request/url_request_context_builder.h
+++ b/net/url_request/url_request_context_builder.h
@@ -21,6 +21,7 @@
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
 #include "build/build_config.h"
 #include "net/base/net_export.h"
 #include "net/base/network_delegate.h"
@@ -39,9 +40,12 @@ class HostMappingRules;
 class HttpAuthHandlerFactory;
 class ProxyConfigService;
 class URLRequestContext;
+class URLRequestInterceptor;
 
 class NET_EXPORT URLRequestContextBuilder {
  public:
+  typedef ScopedVector<URLRequestInterceptor> URLRequestInterceptors;

[mmenke, 2015/03/13 18:16:48]

Optional:  Suggest just inlining ScopedVector<URLRequestInterceptor> everywhere
- think it's clearer.  (Chrome uses the typedef because the interceptors make
their way through 47 gazillion layers as they're passed from content to chrome).

[bengr, 2015/03/19 01:03:51]

Done.

+
   struct NET_EXPORT HttpCacheParams {
     enum Type {
       IN_MEMORY,
@@ -176,6 +180,8 @@ class NET_EXPORT URLRequestContextBuilder {
     throttling_enabled_ = throttling_enabled;
   }
 
+  void SetInterceptors(URLRequestInterceptors url_request_interceptors);
+
   // Override the default in-memory cookie store and channel id service.
   // |cookie_store| must not be NULL. |channel_id_service| may be NULL to
   // disable channel id for this context.
@@ -226,6 +232,7 @@ class NET_EXPORT URLRequestContextBuilder {
   scoped_refptr<CookieStore> cookie_store_;
   scoped_ptr<FtpTransactionFactory> ftp_transaction_factory_;
   std::vector<SchemeFactory> extra_http_auth_handlers_;
+  URLRequestInterceptors url_request_interceptors_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContextBuilder);
 };