WebCrypto: Add framework for AlgorithmIdentifier normalization.

Source/core/platform/chromium/support/WebCryptoAlgorithmParams.cpp

Index: Source/core/platform/chromium/support/WebCryptoAlgorithmParams.cpp
diff --git a/Source/core/platform/chromium/support/WebDeviceMotionData.cpp b/Source/core/platform/chromium/support/WebCryptoAlgorithmParams.cpp
similarity index 77%
copy from Source/core/platform/chromium/support/WebDeviceMotionData.cpp
copy to Source/core/platform/chromium/support/WebCryptoAlgorithmParams.cpp
index 8d2595dd4035380539b1c2fcf90afedac91411af..bf81597da6611d650206dad7d0d8dd6a030eca11 100644
--- a/Source/core/platform/chromium/support/WebDeviceMotionData.cpp
+++ b/Source/core/platform/chromium/support/WebCryptoAlgorithmParams.cpp
@@ -29,19 +29,34 @@
  */
 
 #include "config.h"
-#include "public/platform/WebDeviceMotionData.h"
+#include "public/platform/WebCryptoAlgorithmParams.h"
 
+#include "wtf/OwnPtr.h"
+#include "wtf/ThreadSafeRefCounted.h"
 #include <string.h>
 
 namespace WebKit {
 
-WebDeviceMotionData::WebDeviceMotionData()
+WebCryptoAlgorithmParams::Bytes::Bytes(const unsigned char* data, size_t size)

[abarth-chromium, 2013/07/02 06:46:36]

How is this different from WebVector?

[eroman, 2013/07/02 08:12:27]

Perfect! Somehow I didn't see that class. Done.

+    : m_data(0)
+    , m_size(0)
 {
-    // Make sure to zero out the memory so that there are no uninitialized bits.
-    // This object is used in the shared memory buffer and is memory copied by
-    // two processes. Valgrind will complain if we copy around memory that is
-    // only partially initialized.
-    memset(this, 0, sizeof(*this));
+    if (!size)
+        return;
+
+    ASSERT(data);
+    unsigned char* newData = new unsigned char[size];
+    memcpy(newData, data, size);
+
+    m_data = newData;
+    m_size = size;
+}
+
+WebCryptoAlgorithmParams::Bytes::~Bytes()
+{
+    delete m_data;
+    m_data = 0;
 }
 
 } // namespace WebKit
+