[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 b2698540fb326814b438b1df6ecf20d2c1c4d5c1..c9619d5e95d8da0f13233af11632fafb1e9ebea8 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -504,6 +504,8 @@
         '../../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-relaxation.cc',
@@ -787,6 +789,10 @@
         '../../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',