Fix linkage for components_unittest for ozone=1

A build of components_unittest with ozone=1 and chromeos=1 requires
an implementation of PowerSaveBlockerImpl. This change provides
a stub implementation pending ozone power management implementation.

BUG=252412

Review URL: https://chromiumcodereview.appspot.com/17511002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207953 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/power_save_blocker_ozone.cc

+// Copyright 2013 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.
+
+#include "content/browser/power_save_blocker_impl.h"
+
+#include "base/logging.h"
+#include "base/memory/ref_counted.h"
+
+namespace content {
+
+// TODO(rjkroege): Add display power saving control to the ozone interface.
+// This implementation is necessary to satisfy linkage.
+class PowerSaveBlockerImpl::Delegate
+    : public base::RefCountedThreadSafe<PowerSaveBlockerImpl::Delegate> {
+ public:
+  Delegate() {}
+
+ private:
+  friend class base::RefCountedThreadSafe<Delegate>;
+  virtual ~Delegate() {}
+
+  DISALLOW_COPY_AND_ASSIGN(Delegate);
+};
+
+PowerSaveBlockerImpl::PowerSaveBlockerImpl(PowerSaveBlockerType type,
+                                           const std::string& reason)
+    : delegate_(new Delegate()) {
+  NOTIMPLEMENTED();
+}
+
+PowerSaveBlockerImpl::~PowerSaveBlockerImpl() { NOTIMPLEMENTED(); }
+
+}  // namespace content

content/content_browser.gypi

@@ -697,6 +697,7 @@
     'browser/power_save_blocker_impl.cc',
     'browser/power_save_blocker_impl.h',
     'browser/power_save_blocker_mac.cc',
+    'browser/power_save_blocker_ozone.cc',
     'browser/power_save_blocker_win.cc',
     'browser/power_save_blocker_x11.cc',
     'browser/ppapi_plugin_process_host.cc',
@@ -1344,6 +1345,7 @@
       ],
       'sources!': [
         'browser/geolocation/wifi_data_provider_linux.cc',
+        'browser/power_save_blocker_ozone.cc',
         'browser/power_save_blocker_x11.cc',
         'browser/renderer_host/gtk_key_bindings_handler.cc',
         'browser/renderer_host/gtk_key_bindings_handler.h',