Teach the network service to clear its disk cache if requested.

mojo/services/network/network_context.h

Index: mojo/services/network/network_context.h
diff --git a/mojo/services/network/network_context.h b/mojo/services/network/network_context.h
index 96e8d684457efeee1fd1f181f9515477bb0639b9..9f058a4fee462163a4572fddc5b1dae6f68f0dea 100644
--- a/mojo/services/network/network_context.h
+++ b/mojo/services/network/network_context.h
@@ -8,7 +8,9 @@
 #include <set>
 
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/task_runner.h"
 
 namespace base {
 class FilePath;
@@ -24,9 +26,15 @@ class URLLoaderImpl;
 
 class NetworkContext {
  public:
+  // Cleares the cached content. The actual deletion will be performed using the
+  // given task runner, but cache appears as cleared immediately after the
+  // function returns.
+  static void ClearCache(const base::FilePath& base_path,
+                         scoped_refptr<base::TaskRunner> task_runner);
+
   explicit NetworkContext(
       scoped_ptr<net::URLRequestContext> url_request_context);
-  explicit NetworkContext(const base::FilePath& base_path);
+  NetworkContext(const base::FilePath& base_path);

[qsr, 2015/09/16 13:27:05]

Why did you remove this explicit?

[ppi, 2015/09/16 14:20:59]

accident:). Done.

   ~NetworkContext();
 
   net::URLRequestContext* url_request_context() {