Move flow graph and helper classes to their own file.

The FlowGraph, FlowGraphBuilder, and flow graph node classes are moved
to src/flow-graph.cc.

Review URL: http://codereview.chromium.org/1253009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4287 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/SConscript

@@ -61,6 +61,7 @@ SOURCES = {
     execution.cc
     factory.cc
     flags.cc
+    flow-graph.cc
     frame-element.cc
     frames.cc
     full-codegen.cc

src/compiler.cc

@@ -34,6 +34,7 @@
 #include "data-flow.h"
 #include "debug.h"
 #include "fast-codegen.h"
+#include "flow-graph.h"
 #include "full-codegen.h"
 #include "liveedit.h"
 #include "oprofile-agent.h"

tools/gyp/v8.gyp

@@ -282,6 +282,8 @@
         '../../src/flag-definitions.h',
         '../../src/flags.cc',
         '../../src/flags.h',
+        '../../src/flow-graph.cc',
+        '../../src/flow-graph.h',
         '../../src/frame-element.cc',
         '../../src/frame-element.h',
         '../../src/frames-inl.h',

tools/visual_studio/v8_base.vcproj

@@ -464,6 +464,14 @@
 				RelativePath="..\..\src\flags.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\src\flow-graph.cc"
+				>
+			</File>
+			<File
+				RelativePath="..\..\src\flow-graph.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\src\frame-element.cc"
 				>

tools/visual_studio/v8_base_arm.vcproj

@@ -448,6 +448,14 @@
 				RelativePath="..\..\src\flags.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\src\flow-graph.cc"
+				>
+			</File>
+			<File
+				RelativePath="..\..\src\flow-graph.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\src\frame-element.cc"
 				>

tools/visual_studio/v8_base_x64.vcproj

@@ -440,6 +440,14 @@
 				RelativePath="..\..\src\flags.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\src\flow-graph.cc"
+				>
+			</File>
+			<File
+				RelativePath="..\..\src\flow-graph.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\src\frame-element.cc"
 				>