Add unit tests for CdmAdapter

media/BUILD.gn

 # Copyright 2014 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("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
@@ skipping 640 matching lines @@
     "renderers/skcanvas_video_renderer_unittest.cc",
     "renderers/video_renderer_impl_unittest.cc",
     "video/gpu_memory_buffer_video_frame_pool_unittest.cc",
     "video/h264_poc_unittest.cc",
   ]
 
   data = [
     "test/data/",
   ]
 
-  # TODO(wolenetz): Fix size_t to int trunctaion in win64.
+  # TODO(wolenetz): Fix size_t to int truncation in win64.
   # See http://crbug.com/171009
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   deps = [
     ":media",
     ":test_support",
     "//base/allocator",
     "//base/test:test_support",
     "//gpu/command_buffer/common",
     "//gpu:test_support",
@@ skipping 16 matching lines @@
     sources -= [
       "filters/decrypting_audio_decoder_unittest.cc",
       "filters/decrypting_video_decoder_unittest.cc",
     ]
     apk_deps = [
       "//media/base/android:media_java",
       "//ui/android:ui_java",
     ]
   }
 
+  # If ExternalClearKey is built, we can test CdmAdapter.
+  if (enable_pepper_cdms) {
+    sources += [ "cdm/cdm_adapter_unittest.cc" ]
+    deps += [ "//media/cdm/ppapi:clearkeycdm" ]
+  }
+
   if (media_use_ffmpeg) {
     sources += [
       "ffmpeg/ffmpeg_common_unittest.cc",
       "filters/audio_decoder_unittest.cc",
       "filters/ffmpeg_demuxer_unittest.cc",
       "filters/ffmpeg_glue_unittest.cc",
     ]
 
     # Even if FFmpeg is enabled we do not want these files on Android.
     # TODO(watk): Refactor tests that could be made to run on Android.
@@ skipping 175 matching lines @@
       "//media/base:test_support",
       "//media/test:pipeline_integration_tests",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/ffmpeg",
       "//ui/gfx/geometry",
       "//ui/gfx:test_support",
     ]
   }
 }