Move handler compilers to handler-compiler

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 8512dea86ba6294447de064da041eb0ca6cebb2c..160fa3c8cc8ebb8186b77720a46bd8ffe76bdbb1 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -718,6 +718,8 @@ source_set("v8_base") {
     "src/ic/access-compiler.h",
     "src/ic/call-optimization.cc",
     "src/ic/call-optimization.h",
+    "src/ic/handler-compiler.cc",
+    "src/ic/handler-compiler.h",
     "src/ic/ic-inl.h",
     "src/ic/ic.cc",
     "src/ic/ic.h",
@@ -934,6 +936,7 @@ source_set("v8_base") {
       "src/compiler/x64/instruction-selector-x64.cc",
       "src/compiler/x64/linkage-x64.cc",
       "src/ic/x64/access-compiler-x64.cc",
+      "src/ic/x64/handler-compiler-x64.cc",
       "src/ic/x64/ic-x64.cc",
       "src/ic/x64/ic-compiler-x64.cc",
       "src/ic/x64/stub-cache-x64.cc",
@@ -973,6 +976,7 @@ source_set("v8_base") {
       "src/compiler/arm/instruction-selector-arm.cc",
       "src/compiler/arm/linkage-arm.cc",
       "src/ic/arm/access-compiler-arm.cc",
+      "src/ic/arm/handler-compiler-arm.cc",
       "src/ic/arm/ic-arm.cc",
       "src/ic/arm/ic-compiler-arm.cc",
       "src/ic/arm/stub-cache-arm.cc",
@@ -1023,6 +1027,7 @@ source_set("v8_base") {
       "src/compiler/arm64/instruction-selector-arm64.cc",
       "src/compiler/arm64/linkage-arm64.cc",
       "src/ic/arm64/access-compiler-arm64.cc",
+      "src/ic/arm64/handler-compiler-arm64.cc",
       "src/ic/arm64/ic-arm64.cc",
       "src/ic/arm64/ic-compiler-arm64.cc",
       "src/ic/arm64/stub-cache-arm64.cc",