chromeos: renames //ash/public/cpp:ash_public_cpp to just cpp

This name better matches what we do else where.

BUG=none
TEST=none

Change-Id: I8e820ec89c45b09844caba3f8b450a23449c108f
Reviewed-on: https://chromium-review.googlesource.com/775879
Commit-Queue: Scott Violet <[email protected]>
Reviewed-by: Michael Wasserman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#517860}
diff --git a/components/exo/BUILD.gn b/components/exo/BUILD.gn
index dea6b1c2..d3d8bc5 100644
--- a/components/exo/BUILD.gn
+++ b/components/exo/BUILD.gn
@@ -60,7 +60,7 @@
   ]
 
   deps = [
-    "//ash/public/cpp:ash_public_cpp",
+    "//ash/public/cpp",
     "//base",
     "//cc",
     "//components/viz/service",
@@ -103,7 +103,7 @@
   deps = [
     ":exo",
     "//ash:test_support_without_content",
-    "//ash/public/cpp:ash_public_cpp",
+    "//ash/public/cpp",
     "//base",
     "//gpu",
     "//skia",
@@ -141,7 +141,7 @@
     ":test_support",
     "//ash",
     "//ash:test_support_without_content",
-    "//ash/public/cpp:ash_public_cpp",
+    "//ash/public/cpp",
     "//base",
     "//base/test:test_support",
     "//cc",
@@ -181,7 +181,7 @@
   deps = [
     ":unit_tests",
     "//ash:test_support_without_content",
-    "//ash/public/cpp:ash_public_cpp",
+    "//ash/public/cpp",
     "//base",
     "//base/test:test_support",
     "//cc:test_support",