Use mojo for Chrome Loading, Part 1

content/browser/loader/resource_request_info_impl.h

Index: content/browser/loader/resource_request_info_impl.h
diff --git a/content/browser/loader/resource_request_info_impl.h b/content/browser/loader/resource_request_info_impl.h
index 1e383504c0b26d41a9c388781d5774920cc9c8f3..95c968f889294c1fba177da277340838b76dd9ed 100644
--- a/content/browser/loader/resource_request_info_impl.h
+++ b/content/browser/loader/resource_request_info_impl.h
@@ -16,6 +16,7 @@
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/common/referrer.h"
 #include "content/public/common/resource_type.h"
+#include "mojo/public/cpp/system/data_pipe.h"
 #include "net/base/load_states.h"
 
 namespace content {
@@ -184,6 +185,13 @@ class ResourceRequestInfoImpl : public ResourceRequestInfo,
   }
   const std::string& original_headers() const { return original_headers_; }
 
+  void InstallBodyReader(mojo::ScopedDataPipeConsumerHandle response_body) {
+    response_body_ = std::move(response_body);
+  }
+  mojo::ScopedDataPipeConsumerHandle TakeBodyReader() {
+    return std::move(response_body_);
+  }
+
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            DeletedFilterDetached);
@@ -225,6 +233,7 @@ class ResourceRequestInfoImpl : public ResourceRequestInfo,
   bool is_async_;
   bool is_using_lofi_;
   const std::string original_headers_;
+  mojo::ScopedDataPipeConsumerHandle response_body_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceRequestInfoImpl);
 };