Move register conventions out of the IC classes.

tools/gyp/v8.gyp

Index: tools/gyp/v8.gyp
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index 3624a5cf01b7e3defb5796dc2f68914b0149d1a5..5ebfec4ab2b642992d6723fd820147bbe4240323 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -610,6 +610,7 @@
         '../../src/ic/ic.h',
         '../../src/ic/ic-compiler.cc',
         '../../src/ic/ic-compiler.h',
+        '../../src/ic/ic-conventions.h',
         '../../src/interface.cc',
         '../../src/interface.h',
         '../../src/interpreter-irregexp.cc',
@@ -799,6 +800,7 @@
             '../../src/ic/arm/handler-compiler-arm.cc',
             '../../src/ic/arm/ic-arm.cc',
             '../../src/ic/arm/ic-compiler-arm.cc',
+            '../../src/ic/arm/ic-conventions-arm.cc',
             '../../src/ic/arm/stub-cache-arm.cc',
           ],
         }],
@@ -854,6 +856,7 @@
             '../../src/ic/arm64/handler-compiler-arm64.cc',
             '../../src/ic/arm64/ic-arm64.cc',
             '../../src/ic/arm64/ic-compiler-arm64.cc',
+            '../../src/ic/arm64/ic-conventions-arm64.cc',
             '../../src/ic/arm64/stub-cache-arm64.cc',
           ],
         }],
@@ -892,6 +895,7 @@
             '../../src/ic/ia32/handler-compiler-ia32.cc',
             '../../src/ic/ia32/ic-ia32.cc',
             '../../src/ic/ia32/ic-compiler-ia32.cc',
+            '../../src/ic/ia32/ic-conventions-ia32.cc',
             '../../src/ic/ia32/stub-cache-ia32.cc',
           ],
         }],
@@ -1038,6 +1042,7 @@
             '../../src/ic/x64/handler-compiler-x64.cc',
             '../../src/ic/x64/ic-x64.cc',
             '../../src/ic/x64/ic-compiler-x64.cc',
+            '../../src/ic/x64/ic-conventions-x64.cc',
             '../../src/ic/x64/stub-cache-x64.cc',
           ],
         }],