RenderFrameProxyHost::OnOpenURL needs to validate resource request body.

content/browser/child_process_security_policy_impl.h

Index: content/browser/child_process_security_policy_impl.h
diff --git a/content/browser/child_process_security_policy_impl.h b/content/browser/child_process_security_policy_impl.h
index 82f0e9be22c660dd30f0c11eb4c58e775405cf78..15c8d886d9b36f78c86a90db583482106e06e31b 100644
--- a/content/browser/child_process_security_policy_impl.h
+++ b/content/browser/child_process_security_policy_impl.h
@@ -14,6 +14,7 @@
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/singleton.h"
 #include "base/synchronization/lock.h"
 #include "content/public/browser/child_process_security_policy.h"
@@ -27,11 +28,15 @@ class FilePath;
 }
 
 namespace storage {
+class FileSystemContext;
 class FileSystemURL;
 }
 
 namespace content {
 
+class SiteInstance;
+class ResourceRequestBodyImpl;
+
 class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
     : NON_EXPORTED_BASE(public ChildProcessSecurityPolicy) {
  public:
@@ -89,6 +94,15 @@ class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
   // Returns if |child_id| can read all of the |files|.
   bool CanReadAllFiles(int child_id, const std::vector<base::FilePath>& files);
 
+  // Validate that the renderer process for |site_instance| is allowed to access
+  // data in the POST body specified by |body|.  Has to be called on the UI
+  // thread.
+  // TODO(lukasza): Remove code duplication - the method below should be reused
+  // by RenderFrameHostImpl::OnBeginNavigation and
+  // ResourceDispatcherHostImpl::ShouldServiceRequest.
+  bool CanReadRequestBody(SiteInstance* site_instance,
+                          const scoped_refptr<ResourceRequestBodyImpl>& body);
+
   // Pseudo schemes are treated differently than other schemes because they
   // cannot be requested like normal URLs.  There is no mechanism for revoking
   // pseudo schemes.
@@ -233,6 +247,12 @@ class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
       const std::string& filesystem_id,
       int permission);
 
+  // Validate that |child_id| in |file_system_context| is allowed to access
+  // data in the POST body specified by |body|.  Can be called on any thread.
+  bool CanReadRequestBody(int child_id,
+                          const storage::FileSystemContext* file_system_context,
+                          const scoped_refptr<ResourceRequestBodyImpl>& body);
+
   // You must acquire this lock before reading or writing any members of this
   // class.  You must not block while holding this lock.
   base::Lock lock_;