remove call to get android MediaPlayer class

chrome/browser/history/android/sqlite_cursor.cc

Index: chrome/browser/history/android/sqlite_cursor.cc
diff --git a/chrome/browser/history/android/sqlite_cursor.cc b/chrome/browser/history/android/sqlite_cursor.cc
index 691ed955d7cc3738e7d443ba7c8d3b888f3a4fa0..76df488c35fd321d04784a59ed5f3fedaa7f0db9 100644
--- a/chrome/browser/history/android/sqlite_cursor.cc
+++ b/chrome/browser/history/android/sqlite_cursor.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/history/android/sqlite_cursor.h"
 
 #include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/logging.h"
@@ -55,24 +56,9 @@ ScopedJavaLocalRef<jobject> SQLiteCursor::NewJavaSqliteCursor(
     history::AndroidStatement* statement,
     AndroidHistoryProviderService* service,
     FaviconService* favicon_service) {
-  if (!HasClass(env, kSQLiteCursorClassPath)) {
-    LOG(ERROR) << "Can not find " << kSQLiteCursorClassPath;
-    return ScopedJavaLocalRef<jobject>();
-  }
-
-  ScopedJavaLocalRef<jclass> sclass = GetClass(env, kSQLiteCursorClassPath);
-  jmethodID method_id = MethodID::Get<MethodID::TYPE_INSTANCE>(
-      env, sclass.obj(), "<init>", "(I)V");
-
   SQLiteCursor* cursor = new SQLiteCursor(column_names, statement, service,
                                           favicon_service);
-  ScopedJavaLocalRef<jobject> obj(env,
-      env->NewObject(sclass.obj(), method_id, reinterpret_cast<jint>(cursor)));
-  if (obj.is_null()) {
-    delete cursor;
-    return ScopedJavaLocalRef<jobject>();
-  }
-  return obj;
+  return Java_SQLiteCursor_create(env, reinterpret_cast<jint>(cursor));
 }
 
 bool SQLiteCursor::RegisterSqliteCursor(JNIEnv* env) {
@@ -91,16 +77,7 @@ jint SQLiteCursor::GetCount(JNIEnv* env, jobject obj) {
 
 ScopedJavaLocalRef<jobjectArray> SQLiteCursor::GetColumnNames(JNIEnv* env,
                                                               jobject obj) {
-  size_t count = column_names_.size();
-  ScopedJavaLocalRef<jclass> sclass = GetClass(env, "java/lang/String");
-  ScopedJavaLocalRef<jobjectArray> arr(env,
-      env->NewObjectArray(count, sclass.obj(), NULL));
-  for (size_t i = 0; i < count; i++) {
-    ScopedJavaLocalRef<jstring> str =
-        ConvertUTF8ToJavaString(env, column_names_[i].c_str());
-    env->SetObjectArrayElement(arr.obj(), i, str.obj());
-  }
-  return arr;
+  return base::android::ToJavaArrayOfStrings(env, column_names_);
 }
 
 ScopedJavaLocalRef<jstring> SQLiteCursor::GetString(JNIEnv* env,
@@ -135,13 +112,7 @@ ScopedJavaLocalRef<jbyteArray> SQLiteCursor::GetBlob(JNIEnv* env,
   } else {
     statement_->statement()->ColumnBlobAsVector(column, &blob);
   }
-  ScopedJavaLocalRef<jbyteArray> jb(env, env->NewByteArray(blob.size()));
-  int count = 0;
-  for (std::vector<unsigned char>::const_iterator i = blob.begin();
-      i != blob.end(); ++i) {
-    env->SetByteArrayRegion(jb.obj(), count++, 1, (jbyte *)i);
-  }
-  return jb;
+  return base::android::ToJavaByteArray(env, &blob[0], blob.size());
 }
 
 jboolean SQLiteCursor::IsNull(JNIEnv* env, jobject obj, jint column) {