[bazel] Use //external: bindings for dependencies.

This simplifies integration with Bazel workspaces that already
have those libraries imported under different repository names.

Signed-off-by: Piotr Sikora <piotrsikora@google.com>
Change-Id: Iee6dee1abb8fca10f6b998b2ec9f459c14376bc1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3333633
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78552}

BUILD.bazel

@@ -3366,7 +3366,7 @@ v8_library(
     ],
     icu_deps = [
         ":icu/generated_torque_headers",
-        "@com_googlesource_chromium_icu//:icu",
+        "//external:icu",
     ],
     icu_srcs = [
         ":generated_regexp_special_case",
@@ -3381,9 +3381,9 @@ v8_library(
     ],
     deps = [
         ":v8_libbase",
-        "@com_googlesource_chromium_base_trace_event_common//:trace_event_common",
-        "@com_googlesource_chromium_zlib//:zlib",
-        "@com_googlesource_chromium_zlib//:zlib_compression_utils",
+        "//external:base_trace_event_common",
+        "//external:zlib",
+        "//external:zlib_compression_utils",
     ],
 )
 
@@ -3451,7 +3451,7 @@ v8_binary(
         "UNISTR_FROM_CHAR_EXPLICIT=",
     ],
     deps = [
-        "@com_googlesource_chromium_icu//:icu",
+        "//external:icu",
     ],
 )
 

WORKSPACE

@@ -37,14 +37,34 @@ new_local_repository(
     build_file = "bazel/BUILD.zlib",
 )
 
+bind(
+    name = "zlib",
+    actual = "@com_googlesource_chromium_zlib//:zlib",
+)
+
+bind(
+    name = "zlib_compression_utils",
+    actual = "@com_googlesource_chromium_zlib//:zlib_compression_utils",
+)
+
 new_local_repository(
     name = "com_googlesource_chromium_icu",
     path = "third_party/icu",
     build_file = "bazel/BUILD.icu",
 )
 
+bind(
+    name = "icu",
+    actual = "@com_googlesource_chromium_icu//:icu",
+)
+
 new_local_repository(
     name = "com_googlesource_chromium_base_trace_event_common",
     path = "base/trace_event/common",
     build_file = "bazel/BUILD.trace_event_common",
 )
+
+bind(
+    name = "base_trace_event_common",
+    actual = "@com_googlesource_chromium_base_trace_event_common//:trace_event_common",
+)

bazel/BUILD.zlib

@@ -64,6 +64,6 @@ cc_library(
     include_prefix = "third_party/zlib",
     visibility = ["//visibility:public"],
     deps = [
-        ":zlib",
+        "//external:zlib",
     ],
 )