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diff --git a/runtime/dex_method_iterator.h b/runtime/dex_method_iterator.h
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+++ b/runtime/dex_method_iterator.h
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+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_SRC_DEX_METHOD_ITERATOR_H_
+#define ART_SRC_DEX_METHOD_ITERATOR_H_
+
+#include <vector>
+
+#include "dex_file.h"
+
+namespace art {
+
+class DexMethodIterator {
+ public:
+  DexMethodIterator(const std::vector<const DexFile*>& dex_files)
+      : dex_files_(dex_files),
+        found_next_(false),
+        dex_file_index_(0),
+        class_def_index_(0),
+        class_def_(NULL),
+        class_data_(NULL),
+        direct_method_(false) {
+    CHECK_NE(0U, dex_files_.size());
+  }
+
+  bool HasNext() {
+    if (found_next_) {
+      return true;
+    }
+    while (true) {
+      // End of DexFiles, we are done.
+      if (dex_file_index_ == dex_files_.size()) {
+        return false;
+      }
+      if (class_def_index_ == GetDexFileInternal().NumClassDefs()) {
+        // End of this DexFile, advance and retry.
+        class_def_index_ = 0;
+        dex_file_index_++;
+        continue;
+      }
+      if (class_def_ == NULL) {
+        class_def_ = &GetDexFileInternal().GetClassDef(class_def_index_);
+      }
+      if (class_data_ == NULL) {
+        class_data_ = GetDexFileInternal().GetClassData(*class_def_);
+        if (class_data_ == NULL) {
+          // empty class, such as a marker interface
+          // End of this class, advance and retry.
+          class_def_ = NULL;
+          class_def_index_++;
+          continue;
+        }
+      }
+      if (it_.get() == NULL) {
+        it_.reset(new ClassDataItemIterator(GetDexFileInternal(), class_data_));
+        // Skip fields
+        while (GetIterator().HasNextStaticField()) {
+          GetIterator().Next();
+        }
+        while (GetIterator().HasNextInstanceField()) {
+          GetIterator().Next();
+        }
+        direct_method_ = true;
+      }
+      if (direct_method_ && GetIterator().HasNextDirectMethod()) {
+        // Found method
+        found_next_ = true;
+        return true;
+      }
+      direct_method_ = false;
+      if (GetIterator().HasNextVirtualMethod()) {
+        // Found method
+        found_next_ = true;
+        return true;
+      }
+      // End of this class, advance and retry.
+      DCHECK(!GetIterator().HasNext());
+      it_.reset(NULL);
+      class_data_ = NULL;
+      class_def_ = NULL;
+      class_def_index_++;
+    }
+  }
+
+  void Next() {
+    found_next_ = false;
+    if (it_.get() != NULL) {
+      // Advance to next method if we currently are looking at a class.
+      GetIterator().Next();
+    }
+  }
+
+  const DexFile& GetDexFile() {
+    CHECK(HasNext());
+    return GetDexFileInternal();
+  }
+
+  uint32_t GetMemberIndex() {
+    CHECK(HasNext());
+    return GetIterator().GetMemberIndex();
+  }
+
+  InvokeType GetInvokeType() {
+    CHECK(HasNext());
+    CHECK(class_def_ != NULL);
+    return GetIterator().GetMethodInvokeType(*class_def_);
+  }
+
+ private:
+
+  ClassDataItemIterator& GetIterator() const {
+    CHECK(it_.get() != NULL);
+    return *it_.get();
+  }
+
+  const DexFile& GetDexFileInternal() const {
+    CHECK_LT(dex_file_index_, dex_files_.size());
+    const DexFile* dex_file = dex_files_[dex_file_index_];
+    CHECK(dex_file != NULL);
+    return *dex_file;
+  }
+
+  const std::vector<const DexFile*>& dex_files_;
+
+  bool found_next_;
+
+  uint32_t dex_file_index_;
+  uint32_t class_def_index_;
+  const DexFile::ClassDef* class_def_;
+  const byte* class_data_;
+  UniquePtr<ClassDataItemIterator> it_;
+  bool direct_method_;
+};
+
+}  // namespace art
+
+#endif  // ART_SRC_DEX_METHOD_ITERATOR_H_