Add unit tests target to GN build.

chrome/browser/chrome_content_browser_client_unittest.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 "chrome/browser/chrome_content_browser_client.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 14 matching lines @@
 
 typedef testing::Test ChromeContentBrowserClientTest;
 
 TEST_F(ChromeContentBrowserClientTest, ShouldAssignSiteForURL) {
   ChromeContentBrowserClient client;
   EXPECT_FALSE(client.ShouldAssignSiteForURL(GURL("chrome-native://test")));
   EXPECT_TRUE(client.ShouldAssignSiteForURL(GURL("http://www.google.com")));
   EXPECT_TRUE(client.ShouldAssignSiteForURL(GURL("https://www.google.com")));
 }
 
+#if defined(ENABLE_WEBRTC)
+
 // NOTE: Any updates to the expectations in these tests should also be done in
 // the browser test WebRtcDisableEncryptionFlagBrowserTest.
 class DisableWebRtcEncryptionFlagTest : public testing::Test {
  public:
   DisableWebRtcEncryptionFlagTest()
       : from_command_line_(base::CommandLine::NO_PROGRAM),
         to_command_line_(base::CommandLine::NO_PROGRAM) {}
 
  protected:
   void SetUp() override {
@@ skipping 35 matching lines @@
 #else
   EXPECT_FALSE(to_command_line_.HasSwitch(switches::kDisableWebRtcEncryption));
 #endif
 }
 
 TEST_F(DisableWebRtcEncryptionFlagTest, StableChannel) {
   MaybeCopyDisableWebRtcEncryptionSwitch(VersionInfo::CHANNEL_STABLE);
   EXPECT_FALSE(to_command_line_.HasSwitch(switches::kDisableWebRtcEncryption));
 }
 
+#endif  // ENABLE_WEBRTC
+
 }  // namespace chrome
 
 #if !defined(OS_IOS) && !defined(OS_ANDROID)
 namespace content {
 
 class InstantNTPURLRewriteTest : public BrowserWithTestWindowTest {
  protected:
   void SetUp() override {
     BrowserWithTestWindowTest::SetUp();
     field_trial_list_.reset(new base::FieldTrialList(
@@ skipping 95 matching lines @@
 
 #if defined(OS_ANDROID)
   SetPermission(CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER,
                 CONTENT_SETTING_ALLOW);
   CheckPermissionStatus(PERMISSION_PROTECTED_MEDIA_IDENTIFIER,
                         PERMISSION_STATUS_GRANTED);
 #endif
 }
 
 }  // namespace chrome