VM: Move branch optimizations into a separate file.

runtime/vm/flow_graph_inliner.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/flow_graph_inliner.h"
 
 #include "vm/block_scheduler.h"
+#include "vm/branch_optimizer.h"
 #include "vm/compiler.h"
 #include "vm/flags.h"
 #include "vm/flow_graph.h"
 #include "vm/flow_graph_builder.h"
 #include "vm/flow_graph_compiler.h"
 #include "vm/flow_graph_optimizer.h"
 #include "vm/flow_graph_type_propagator.h"
 #include "vm/il_printer.h"
 #include "vm/intrinsifier.h"
 #include "vm/longjump.h"
@@ skipping 1917 matching lines @@
 intptr_t FlowGraphInliner::NextInlineId(const Function& function,
                                         intptr_t parent_id) {
   const intptr_t id = inline_id_to_function_->length();
   inline_id_to_function_->Add(&function);
   caller_inline_id_->Add(parent_id);
   return id;
 }
 
 
 }  // namespace dart