Change NeedKeyCB to use std::vector.

content/renderer/media/android/webmediaplayer_android.cc

Index: content/renderer/media/android/webmediaplayer_android.cc
diff --git a/content/renderer/media/android/webmediaplayer_android.cc b/content/renderer/media/android/webmediaplayer_android.cc
index f8eea96504bf4453bd55891ac09988d01dcd8b95..6f5f06b0cb948be1bdf9e33219a984da32b2c392 100644
--- a/content/renderer/media/android/webmediaplayer_android.cc
+++ b/content/renderer/media/android/webmediaplayer_android.cc
@@ -1131,8 +1131,7 @@ void WebMediaPlayerAndroid::OnMediaSourceOpened(
 
 void WebMediaPlayerAndroid::OnNeedKey(const std::string& session_id,
                                       const std::string& type,
-                                      scoped_ptr<uint8[]> init_data,
-                                      int init_data_size) {
+                                      const std::vector<uint8>& init_data) {
   // Do not fire NeedKey event if encrypted media is not enabled.
   if (!WebKit::WebRuntimeFeatures::isEncryptedMediaEnabled() &&
       !WebKit::WebRuntimeFeatures::isLegacyEncryptedMediaEnabled()) {
@@ -1145,10 +1144,11 @@ void WebMediaPlayerAndroid::OnNeedKey(const std::string& session_id,
   if (init_data_type_.empty())
     init_data_type_ = type;
 
+  const uint8* init_data_ptr = init_data.empty() ? NULL : &init_data[0];
   client_->keyNeeded(WebString(),
                      WebString::fromUTF8(session_id),
-                     init_data.get(),
-                     init_data_size);
+                     init_data_ptr,
+                     init_data.size());
 }
 
 #if defined(GOOGLE_TV)