Move MimeTypeResourceHandler before ThrottlingResourceHandler

content/public/browser/resource_throttle.h

Index: content/public/browser/resource_throttle.h
diff --git a/content/public/browser/resource_throttle.h b/content/public/browser/resource_throttle.h
index 7a980f2a21691357e111eeebdf469ffc317c6c63..da1054c86cfb5c26bf2890fa82190fcb934c2400 100644
--- a/content/public/browser/resource_throttle.h
+++ b/content/public/browser/resource_throttle.h
@@ -5,6 +5,8 @@
 #ifndef CONTENT_PUBLIC_BROWSER_RESOURCE_THROTTLE_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_THROTTLE_H_
 
+#include "content/common/content_export.h"
+
 namespace net {
 struct RedirectInfo;
 }
@@ -20,7 +22,7 @@ class ThrottlingResourceHandler;
 // resource load.  The ResourceController interface may be used to resume a
 // deferred resource load, or it may be used to cancel a resource load at any
 // time.
-class ResourceThrottle {
+class CONTENT_EXPORT ResourceThrottle {
  public:
   virtual ~ResourceThrottle() {}
 
@@ -42,6 +44,13 @@ class ResourceThrottle {
   // returned string.
   virtual const char* GetNameForLogging() const = 0;
 
+  // Whether this ResourceThrottle needs to execute WillProcessResponse before
+  // any part of the response body is read. Normally this is false. This should
+  // be set to true if the ResourceThrottle wants to ensure that no part of the
+  // response body will be cached if the request is canceled in
+  // WillProcessResponse.
+  virtual bool MustProcessResponseBeforeReadingBody();
+
   void set_controller_for_testing(ResourceController* c) {
     controller_ = c;
   }