[interpreter] Add basic framework for bytecode handler code generation.

tools/gyp/v8.gyp

Index: tools/gyp/v8.gyp
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index c0fce39384e7425baeeec25b351f3e209efcdde4..960c102f90fe65032085e46af7e841a71cf527cf 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -503,6 +503,8 @@
         '../../src/compiler/instruction-selector.h',
         '../../src/compiler/instruction.cc',
         '../../src/compiler/instruction.h',
+        '../../src/compiler/interpreter-assembler.cc',
+        '../../src/compiler/interpreter-assembler.h',
         '../../src/compiler/js-builtin-reducer.cc',
         '../../src/compiler/js-builtin-reducer.h',
         '../../src/compiler/js-context-specialization.cc',
@@ -782,6 +784,10 @@
         '../../src/interface-descriptors.h',
         '../../src/interpreter-irregexp.cc',
         '../../src/interpreter-irregexp.h',
+        '../../src/interpreter/bytecodes.cc',
+        '../../src/interpreter/bytecodes.h',
+        '../../src/interpreter/interpreter.cc',
+        '../../src/interpreter/interpreter.h',
         '../../src/isolate.cc',
         '../../src/isolate.h',
         '../../src/json-parser.h',