Use the tonic namespace for tonic + resulting build fixes

tonic/float32_list.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef SKY_ENGINE_TONIC_FLOAT32_LIST_H_
 #define SKY_ENGINE_TONIC_FLOAT32_LIST_H_
 
 #include "dart/runtime/include/dart_api.h"
 #include "tonic/dart_converter.h"
 
-namespace blink {
+namespace tonic {
 
 // A simple wrapper around a Dart Float32List. It uses Dart_TypedDataAcquireData
 // to obtain a raw pointer to the data, which is released when this object is
 // destroyed.
 //
 // This is designed to be used with DartConverter only.
 class Float32List {
  public:
   explicit Float32List(Dart_Handle list);
   Float32List(Float32List&& other);
@@ skipping 10 matching lines @@
   Float32List(const Float32List& other) = delete;
 };
 
 template <>
 struct DartConverter<Float32List> {
   static Float32List FromArgumentsWithNullCheck(Dart_NativeArguments args,
                                                 int index,
                                                 Dart_Handle& exception);
 };
 
-} // namespace blink
+} // namespace tonic
 
 #endif  // SKY_ENGINE_TONIC_FLOAT32_LIST_H_