Make concrete classes for individual call descriptors.

tools/gyp/v8.gyp

Index: tools/gyp/v8.gyp
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index f38a67d8b4769019a53149165f91110a6e333ed3..81cada419f6a79736294880141032372bb92b2d1 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -643,7 +643,6 @@
         '../../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/interface-descriptors.cc',
@@ -837,7 +836,6 @@
             '../../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',
           ],
         }],
@@ -895,7 +893,6 @@
             '../../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',
           ],
         }],
@@ -935,7 +932,6 @@
             '../../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',
           ],
         }],
@@ -1089,7 +1085,6 @@
             '../../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',
           ],
         }],