Using ResourceRequestBody as the type of HTTP body outside of //content.

content/public/common/resource_request_body.h

Index: content/public/common/resource_request_body.h
diff --git a/content/public/common/resource_request_body.h b/content/public/common/resource_request_body.h
index 59f654ed8922cfcab63e6c288873430c50f17cdc..606c31994c8d1affc189b147179a1a8c9a1f1a60 100644
--- a/content/public/common/resource_request_body.h
+++ b/content/public/common/resource_request_body.h
@@ -7,27 +7,54 @@
 
 #include <stdint.h>
 
+#include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "build/build_config.h"
 #include "content/common/content_export.h"
 
+#if defined(OS_ANDROID)
+#include <jni.h>
+#include "base/android/scoped_java_ref.h"
+#endif
+
 namespace content {
 
 // ResourceRequestBody represents body (i.e. upload data) of a HTTP request.
 //
 // This class is intentionally opaque:
-// - Embedders cannot inspect the payload of ResourceRequestBody.  Only the
-//   //content layer can decompose ResourceRequestBody into references to file
-//   ranges, byte vectors, blob uris, etc.
-// - Embedders can get instances of ResourceRequestBody only by receiving an
-//   instance created inside //content layer (e.g. receiving it via
-//   content::OpenURLParams).
-// - Embedders typically end up passing ResourceRequestBody back into the
-//   //content layer via content::NavigationController::LoadUrlParams.
+// *) Embedders cannot inspect the payload of ResourceRequestBody.  Only the
+//    //content layer can decompose ResourceRequestBody into references to file
+//    ranges, byte vectors, blob uris, etc.
+// *) Embedders can get instances of ResourceRequestBody only by
+//    - receiving an instance created inside //content layer (e.g. receiving it
+//      via content::OpenURLParams),
+//    - calling CreateFromBytes with a vector of bytes (e.g. to support
+//      Android's WebView::postUrl API, to support DoSearchByImageInNewTab and
+//      to support test code).
+// *) Embedders typically end up passing ResourceRequestBody back into the
+//    //content layer via content::NavigationController::LoadUrlParams.
 class CONTENT_EXPORT ResourceRequestBody
     : public base::RefCountedThreadSafe<ResourceRequestBody> {
+ public:
+  // Creates ResourceRequestBody that holds a copy of |bytes|.
+  static scoped_refptr<ResourceRequestBody> CreateFromBytes(const char* bytes,
+                                                            size_t length);
+
+#if defined(OS_ANDROID)
+  // Returns a org.chromium.content_public.common.ResourceRequestBody Java
+  // object that wraps a ref-counted pointer to the |resource_request_body|.
+  base::android::ScopedJavaLocalRef<jobject> ToJavaObject(JNIEnv* env);
+
+  // Extracts and returns a C++ object out of Java's
+  // org.chromium.content_public.common.ResourceRequestBody.
+  static scoped_refptr<ResourceRequestBody> FromJavaObject(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& java_object);
+#endif
+
  protected:
   ResourceRequestBody();
   virtual ~ResourceRequestBody();