Move discardable memory to //components from //content

components/discardable_memory/client/BUILD.gn

Index: components/discardable_memory/client/BUILD.gn
diff --git a/components/discardable_memory/client/BUILD.gn b/components/discardable_memory/client/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..583a8ee11b8632f0f7c5b11ac227211e2f0f8505
--- /dev/null
+++ b/components/discardable_memory/client/BUILD.gn
@@ -0,0 +1,21 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//testing/test.gni")
+
+component("client") {
+  output_name = "discardable_memory_client"
+
+  defines = [ "DISCARDABLE_MEMORY_IMPLEMENTATION" ]
+
+  sources = [
+    "client_discardable_shared_memory_manager.cc",
+    "client_discardable_shared_memory_manager.h",
+  ]
+
+  deps = [
+    "//base",
+    "//components/discardable_memory/common",
+  ]
+}