Debugger: move implementation to a separate folder.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 1619d7747d07f08cedc7d99897cff2523b4cb7f7..d194d63256cdeecbe177cc13719aa865f08d91b3 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -227,12 +227,12 @@ action("js2c") {
     "src/json.js",
     "src/array-iterator.js",
     "src/string-iterator.js",
-    "src/debug-debugger.js",
-    "src/mirror-debugger.js",
-    "src/liveedit-debugger.js",
     "src/templates.js",
     "src/harmony-array.js",
     "src/harmony-typedarray.js",
+    "src/debug/debug.js",
+    "src/debug/mirrors.js",
+    "src/debug/liveedit.js",
   ]
 
   outputs = [
@@ -834,8 +834,10 @@ source_set("v8_base") {
     "src/dateparser-inl.h",
     "src/dateparser.cc",
     "src/dateparser.h",
-    "src/debug.cc",
-    "src/debug.h",
+    "src/debug/debug.cc",
+    "src/debug/debug.h",
+    "src/debug/liveedit.cc",
+    "src/debug/liveedit.h",
     "src/deoptimizer.cc",
     "src/deoptimizer.h",
     "src/disasm.h",
@@ -1021,8 +1023,6 @@ source_set("v8_base") {
     "src/lithium-codegen.h",
     "src/lithium.cc",
     "src/lithium.h",
-    "src/liveedit.cc",
-    "src/liveedit.h",
     "src/log-inl.h",
     "src/log-utils.cc",
     "src/log-utils.h",
@@ -1199,7 +1199,6 @@ source_set("v8_base") {
       "src/ia32/codegen-ia32.cc",
       "src/ia32/codegen-ia32.h",
       "src/ia32/cpu-ia32.cc",
-      "src/ia32/debug-ia32.cc",
       "src/ia32/deoptimizer-ia32.cc",
       "src/ia32/disasm-ia32.cc",
       "src/ia32/frames-ia32.cc",
@@ -1219,6 +1218,7 @@ source_set("v8_base") {
       "src/compiler/ia32/instruction-codes-ia32.h",
       "src/compiler/ia32/instruction-selector-ia32.cc",
       "src/compiler/ia32/linkage-ia32.cc",
+      "src/debug/ia32/debug-ia32.cc",
       "src/full-codegen/ia32/full-codegen-ia32.cc",
       "src/ic/ia32/access-compiler-ia32.cc",
       "src/ic/ia32/handler-compiler-ia32.cc",
@@ -1237,7 +1237,6 @@ source_set("v8_base") {
       "src/x64/codegen-x64.cc",
       "src/x64/codegen-x64.h",
       "src/x64/cpu-x64.cc",
-      "src/x64/debug-x64.cc",
       "src/x64/deoptimizer-x64.cc",
       "src/x64/disasm-x64.cc",
       "src/x64/frames-x64.cc",
@@ -1257,6 +1256,7 @@ source_set("v8_base") {
       "src/compiler/x64/instruction-codes-x64.h",
       "src/compiler/x64/instruction-selector-x64.cc",
       "src/compiler/x64/linkage-x64.cc",
+      "src/debug/x64/debug-x64.cc",
       "src/full-codegen/x64/full-codegen-x64.cc",
       "src/ic/x64/access-compiler-x64.cc",
       "src/ic/x64/handler-compiler-x64.cc",
@@ -1277,7 +1277,6 @@ source_set("v8_base") {
       "src/arm/constants-arm.h",
       "src/arm/constants-arm.cc",
       "src/arm/cpu-arm.cc",
-      "src/arm/debug-arm.cc",
       "src/arm/deoptimizer-arm.cc",
       "src/arm/disasm-arm.cc",
       "src/arm/frames-arm.cc",
@@ -1300,6 +1299,7 @@ source_set("v8_base") {
       "src/compiler/arm/instruction-codes-arm.h",
       "src/compiler/arm/instruction-selector-arm.cc",
       "src/compiler/arm/linkage-arm.cc",
+      "src/debug/arm/debug-arm.cc",
       "src/full-codegen/arm/full-codegen-arm.cc",
       "src/ic/arm/access-compiler-arm.cc",
       "src/ic/arm/handler-compiler-arm.cc",
@@ -1319,7 +1319,6 @@ source_set("v8_base") {
       "src/arm64/code-stubs-arm64.h",
       "src/arm64/constants-arm64.h",
       "src/arm64/cpu-arm64.cc",
-      "src/arm64/debug-arm64.cc",
       "src/arm64/decoder-arm64.cc",
       "src/arm64/decoder-arm64.h",
       "src/arm64/decoder-arm64-inl.h",
@@ -1353,6 +1352,7 @@ source_set("v8_base") {
       "src/compiler/arm64/instruction-codes-arm64.h",
       "src/compiler/arm64/instruction-selector-arm64.cc",
       "src/compiler/arm64/linkage-arm64.cc",
+      "src/debug/arm64/debug-arm64.cc",
       "src/full-codegen/arm64/full-codegen-arm64.cc",
       "src/ic/arm64/access-compiler-arm64.cc",
       "src/ic/arm64/handler-compiler-arm64.cc",
@@ -1373,7 +1373,6 @@ source_set("v8_base") {
       "src/mips/constants-mips.cc",
       "src/mips/constants-mips.h",
       "src/mips/cpu-mips.cc",
-      "src/mips/debug-mips.cc",
       "src/mips/deoptimizer-mips.cc",
       "src/mips/disasm-mips.cc",
       "src/mips/frames-mips.cc",
@@ -1395,6 +1394,7 @@ source_set("v8_base") {
       "src/compiler/mips/instruction-codes-mips.h",
       "src/compiler/mips/instruction-selector-mips.cc",
       "src/compiler/mips/linkage-mips.cc",
+      "src/debug/mips/debug-mips.cc",
       "src/full-codegen/mips/full-codegen-mips.cc",
       "src/ic/mips/access-compiler-mips.cc",
       "src/ic/mips/handler-compiler-mips.cc",
@@ -1415,7 +1415,6 @@ source_set("v8_base") {
       "src/mips64/constants-mips64.cc",
       "src/mips64/constants-mips64.h",
       "src/mips64/cpu-mips64.cc",
-      "src/mips64/debug-mips64.cc",
       "src/mips64/deoptimizer-mips64.cc",
       "src/mips64/disasm-mips64.cc",
       "src/mips64/frames-mips64.cc",
@@ -1433,6 +1432,7 @@ source_set("v8_base") {
       "src/mips64/regexp-macro-assembler-mips64.h",
       "src/mips64/simulator-mips64.cc",
       "src/mips64/simulator-mips64.h",
+      "src/debug/mips64/debug-mips64.cc",
       "src/full-codegen/mips64/full-codegen-mips64.cc",
       "src/ic/mips64/access-compiler-mips64.cc",
       "src/ic/mips64/handler-compiler-mips64.cc",