Merge all Hydrogen phase declarations into hydrogen-phases.h.

tools/gyp/v8.gyp

Index: tools/gyp/v8.gyp
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index 3f666039d70a8fbfe37e1cb4f3b5f1c0def914ac..727f1f7530b272cee6aee367445d95ff9bbaec29 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -336,45 +336,29 @@
         '../../src/heap.cc',
         '../../src/heap.h',
         '../../src/hydrogen-bce.cc',
-        '../../src/hydrogen-bce.h',
         '../../src/hydrogen-canonicalize.cc',
-        '../../src/hydrogen-canonicalize.h',
         '../../src/hydrogen-dce.cc',
-        '../../src/hydrogen-dce.h',
         '../../src/hydrogen-dehoist.cc',
-        '../../src/hydrogen-dehoist.h',
         '../../src/hydrogen-deoptimizing-mark.cc',
-        '../../src/hydrogen-deoptimizing-mark.h',
         '../../src/hydrogen-environment-liveness.cc',
-        '../../src/hydrogen-environment-liveness.h',
         '../../src/hydrogen-escape-analysis.cc',
-        '../../src/hydrogen-escape-analysis.h',
-        '../../src/hydrogen-instructions.cc',
-        '../../src/hydrogen-instructions.h',
-        '../../src/hydrogen.cc',
-        '../../src/hydrogen.h',
         '../../src/hydrogen-gvn.cc',
-        '../../src/hydrogen-gvn.h',
         '../../src/hydrogen-infer-representation.cc',
-        '../../src/hydrogen-infer-representation.h',
         '../../src/hydrogen-infer-types.cc',
-        '../../src/hydrogen-infer-types.h',
+        '../../src/hydrogen-instructions.cc',
+        '../../src/hydrogen-instructions.h',
         '../../src/hydrogen-minus-zero.cc',
-        '../../src/hydrogen-minus-zero.h',
+        '../../src/hydrogen-osr.cc',
+        '../../src/hydrogen-osr.h',
+        '../../src/hydrogen-phases.h',
         '../../src/hydrogen-range-analysis.cc',
-        '../../src/hydrogen-range-analysis.h',
         '../../src/hydrogen-redundant-phi.cc',
-        '../../src/hydrogen-redundant-phi.h',
         '../../src/hydrogen-removable-simulates.cc',
-        '../../src/hydrogen-removable-simulates.h',
         '../../src/hydrogen-representation-changes.cc',
-        '../../src/hydrogen-representation-changes.h',
         '../../src/hydrogen-sce.cc',
-        '../../src/hydrogen-sce.h',
         '../../src/hydrogen-uint32-analysis.cc',
-        '../../src/hydrogen-uint32-analysis.h',
-        '../../src/hydrogen-osr.cc',
-        '../../src/hydrogen-osr.h',
+        '../../src/hydrogen.cc',
+        '../../src/hydrogen.h',
         '../../src/icu_util.cc',
         '../../src/icu_util.h',
         '../../src/ic-inl.h',