Revert 266798 "[webcrypto] Make operations run on a background t..."

> [webcrypto] Make operations run on a background thread so they don't block the blink thread.
> 
> More details on threading strategy provided in webcrypto_impl.cc.
> 
> BUG=245025
> 
> Review URL: https://codereview.chromium.org/233733004

TBR=eroman@chromium.org

Review URL: https://codereview.chromium.org/252213003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@266903 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 19 insertions, 24 deletions

diff --git a/content/child/webcrypto/shared_crypto.h b/content/child/webcrypto/shared_crypto.h
index 3be2612..c9ce1a0 100644
--- a/content/child/webcrypto/shared_crypto.h
+++ b/content/child/webcrypto/shared_crypto.h
@@ -5,8 +5,6 @@
 #ifndef CONTENT_CHILD_WEBCRYPTO_SHARED_CRYPTO_H_
 #define CONTENT_CHILD_WEBCRYPTO_SHARED_CRYPTO_H_
 
-#include <vector>
-
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ -39,9 +37,7 @@ CONTENT_EXPORT void Init();
 //                |
 //                v
 //          WebCryptoImpl     (Implements the blink::WebCrypto interface for
-//                |            asynchronous completions; posts tasks to
-//                |            the webcrypto worker pool to fulfill the request
-//                             using the synchronous methods of shared_crypto.h)
+//                |            asynchronous completions)
 //                |
 //                |      [shared_crypto_unittest.cc]
 //                |           /
@@ -71,7 +67,7 @@ CONTENT_EXPORT void Init();
 //  * Inferring default parameters when not specified
 //  * Validating key exportability
 //  * Validating algorithm with key.algorithm
-//  * Converting the Blink key to a more specific platform::{PublicKey,
+//  * Converting the blink key to a more specific platform::{PublicKey,
 //    PrivateKey, SymKey} and making sure it was the right type.
 //  * Validating alogorithm specific parameters (for instance, was the iv for
 //    AES-CBC 16 bytes).
@@ -80,16 +76,16 @@ CONTENT_EXPORT void Init();
 CONTENT_EXPORT Status Encrypt(const blink::WebCryptoAlgorithm& algorithm,
                               const blink::WebCryptoKey& key,
                               const CryptoData& data,
-                              std::vector<uint8>* buffer);
+                              blink::WebArrayBuffer* buffer);
 
 CONTENT_EXPORT Status Decrypt(const blink::WebCryptoAlgorithm& algorithm,
                               const blink::WebCryptoKey& key,
                               const CryptoData& data,
-                              std::vector<uint8>* buffer);
+                              blink::WebArrayBuffer* buffer);
 
 CONTENT_EXPORT Status Digest(const blink::WebCryptoAlgorithm& algorithm,
                              const CryptoData& data,
-                             std::vector<uint8>* buffer);
+                             blink::WebArrayBuffer* buffer);
 
 CONTENT_EXPORT scoped_ptr<blink::WebCryptoDigestor> CreateDigestor(
     blink::WebCryptoAlgorithmId algorithm);
@@ -116,12 +112,12 @@ CONTENT_EXPORT Status ImportKey(blink::WebCryptoKeyFormat format,
 
 CONTENT_EXPORT Status ExportKey(blink::WebCryptoKeyFormat format,
                                 const blink::WebCryptoKey& key,
-                                std::vector<uint8>* buffer);
+                                blink::WebArrayBuffer* buffer);
 
 CONTENT_EXPORT Status Sign(const blink::WebCryptoAlgorithm& algorithm,
                            const blink::WebCryptoKey& key,
                            const CryptoData& data,
-                           std::vector<uint8>* buffer);
+                           blink::WebArrayBuffer* buffer);
 
 CONTENT_EXPORT Status
     VerifySignature(const blink::WebCryptoAlgorithm& algorithm,
@@ -135,7 +131,7 @@ CONTENT_EXPORT Status
             const blink::WebCryptoKey& wrapping_key,
             const blink::WebCryptoKey& key_to_wrap,
             const blink::WebCryptoAlgorithm& wrapping_algorithm,
-            std::vector<uint8>* buffer);
+            blink::WebArrayBuffer* buffer);
 
 CONTENT_EXPORT Status
     UnwrapKey(blink::WebCryptoKeyFormat format,
@@ -147,18 +143,17 @@ CONTENT_EXPORT Status
               blink::WebCryptoKeyUsageMask usage_mask,
               blink::WebCryptoKey* key);
 
-// Called on the target Blink thread.
-CONTENT_EXPORT bool SerializeKeyForClone(const blink::WebCryptoKey& key,
-                                         blink::WebVector<uint8>* key_data);
-
-// Called on the target Blink thread.
-CONTENT_EXPORT bool DeserializeKeyForClone(
-    const blink::WebCryptoKeyAlgorithm& algorithm,
-    blink::WebCryptoKeyType type,
-    bool extractable,
-    blink::WebCryptoKeyUsageMask usage_mask,
-    const CryptoData& key_data,
-    blink::WebCryptoKey* key);
+CONTENT_EXPORT Status
+    SerializeKeyForClone(const blink::WebCryptoKey& key,
+                         blink::WebVector<unsigned char>* data);
+
+CONTENT_EXPORT Status
+    DeserializeKeyForClone(const blink::WebCryptoKeyAlgorithm& algorithm,
+                           blink::WebCryptoKeyType type,
+                           bool extractable,
+                           blink::WebCryptoKeyUsageMask usage_mask,
+                           const CryptoData& key_data,
+                           blink::WebCryptoKey* key);
 
 }  // namespace webcrypto