Move under enable_google_benchmarks targets that rely on the benchmarks

Some targets depends on targets under enable_google_benchmarks. But they
are not under such if statement themeself.

Bug: webrtc:12404
Change-Id: I7c0b9a75bd3fa18090ef6a44fda22ed5f33d79b0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/204063
Commit-Queue: Andrey Logvin <landrey@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33104}

BUILD.gn

@@ -14,6 +14,7 @@
 
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/sanitizers/sanitizers.gni")
+import("//third_party/google_benchmark/buildconfig.gni")
 import("webrtc.gni")
 if (rtc_enable_protobuf) {
   import("//third_party/protobuf/proto_library.gni")
@@ -584,6 +585,7 @@ if (rtc_include_tests) {
     }
   }
 
+  if (enable_google_benchmarks) {
     rtc_test("benchmarks") {
       testonly = true
       deps = [
@@ -591,6 +593,7 @@ if (rtc_include_tests) {
         "test:benchmark_main",
       ]
     }
+  }
 
   # This runs tests that must run in real time and therefore can take some
   # time to execute. They are in a separate executable to avoid making the

rtc_base/BUILD.gn

@@ -8,6 +8,7 @@
 
 import("//build/config/crypto.gni")
 import("//build/config/ui.gni")
+import("//third_party/google_benchmark/buildconfig.gni")
 import("../webrtc.gni")
 
 if (is_android) {
@@ -1539,11 +1540,13 @@ if (rtc_include_tests) {
       "../test:test_support",
       "memory:fifo_buffer",
       "synchronization:mutex",
-      "synchronization:synchronization_unittests",
       "task_utils:pending_task_safety_flag",
       "task_utils:to_queued_task",
       "third_party/sigslot",
     ]
+    if (enable_google_benchmarks) {
+      deps += [ "synchronization:synchronization_unittests" ]
+    }
     if (is_win) {
       sources += [
         "win32_unittest.cc",

rtc_base/synchronization/BUILD.gn

@@ -6,6 +6,7 @@
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
+import("//third_party/google_benchmark/buildconfig.gni")
 import("../../webrtc.gni")
 if (is_android) {
   import("//build/config/android/config.gni")
@@ -73,6 +74,7 @@ rtc_library("yield_policy") {
 }
 
 if (rtc_include_tests) {
+  if (enable_google_benchmarks) {
     rtc_library("synchronization_unittests") {
       testonly = true
       sources = [
@@ -102,6 +104,7 @@ if (rtc_include_tests) {
         "//third_party/google_benchmark",
       ]
     }
+  }
 
   rtc_library("sequence_checker_unittests") {
     testonly = true

test/BUILD.gn

@@ -7,6 +7,7 @@
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/ui.gni")
+import("//third_party/google_benchmark/buildconfig.gni")
 import("../webrtc.gni")
 if (is_android) {
   import("//build/config/android/rules.gni")
@@ -445,12 +446,14 @@ if (rtc_include_tests) {
     ]
   }
 
+  if (enable_google_benchmarks) {
     rtc_library("benchmark_main") {
       testonly = true
       sources = [ "benchmark_main.cc" ]
 
       deps = [ "//third_party/google_benchmark" ]
     }
+  }
 
   rtc_library("test_support_test_artifacts") {
     testonly = true