Adds UMA histograms for desktop tab and audio capture through

content/browser/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 
@@ skipping 167 matching lines @@
                            "//content")
     deps += [
       "//jingle:jingle_glue",
       "//third_party/libjingle:libjingle_webrtc",
       "//third_party/libjingle:libpeerconnection",
     ]
     if (is_linux || is_mac || is_win) {
       sources += [
         "media/capture/desktop_capture_device.cc",
         "media/capture/desktop_capture_device.h",
-        "media/capture/desktop_capture_device_uma_types.cc",
-        "media/capture/desktop_capture_device_uma_types.h",
       ]
       if (use_aura) {
         sources += [
           "media/capture/aura_window_capture_machine.cc",
           "media/capture/aura_window_capture_machine.h",
           "media/capture/desktop_capture_device_aura.cc",
           "media/capture/desktop_capture_device_aura.h",
         ]
       }
       defines += [ "ENABLE_SCREEN_CAPTURE=1" ]
@@ skipping 317 matching lines @@
   type = "exe"
   application_name = "chrome"
   source = "mojo/chrome_manifest.json"
 }
 
 mojo_application_manifest("chrome_renderer_manifest") {
   type = "exe"
   application_name = "chrome_renderer"
   source = "mojo/chrome_renderer_manifest.json"
 }