Removing references to //ppapi when is_android = true

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 4b40d6946503710312b39790844e9e5d3c6f8230..4f77c11085ae68b1a3e2833b82c9e7b4d091ca64 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -155,7 +155,6 @@ source_set("test_support") {
       "//google_apis:test_support",
       "//ipc:test_support",
       "//media:test_support",
-      "//ppapi/shared_impl",
       "//sql:test_support",
       "//third_party/leveldatabase",
       "//ui/base",
@@ -163,6 +162,9 @@ source_set("test_support") {
       "//ui/gl",
     ]
   }
+  if (enable_plugins) {
+    deps += [ "//ppapi/shared_impl" ]
+  }
 
   if (is_android) {
     deps -= [ "//ui/message_center:test_support" ]