Migrate Sound UKM to shared SourceID.

Bug: 754889
Change-Id: I7dd1233e282fab6a3e00c40526e5c69b54637726
Reviewed-on: https://chromium-review.googlesource.com/806925
Commit-Queue: Steven Holte <holte@chromium.org>
Reviewed-by: Raymes Khoury <raymes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521940}

chrome/browser/content_settings/sound_content_setting_observer.cc

@@ -9,6 +9,7 @@
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
+#include "components/ukm/content/source_url_recorder.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/common/url_constants.h"
 #include "services/metrics/public/cpp/ukm_builders.h"
@@ -113,12 +114,10 @@ void SoundContentSettingObserver::RecordSiteMutedUKM() {
     return;
   logged_site_muted_ukm_ = true;
 
-  ukm::UkmRecorder* recorder = ukm::UkmRecorder::Get();
-  ukm::SourceId source_id = ukm::UkmRecorder::GetNewSourceID();
-  recorder->UpdateSourceURL(source_id, web_contents()->GetLastCommittedURL());
-  ukm::builders::Media_SiteMuted(source_id)
+  ukm::builders::Media_SiteMuted(
+      ukm::GetSourceIdForWebContentsDocument(web_contents()))
       .SetMuteReason(GetSiteMutedReason())
-      .Record(recorder);
+      .Record(ukm::UkmRecorder::Get());
 }
 
 SoundContentSettingObserver::MuteReason

chrome/browser/content_settings/sound_content_setting_observer_unittest.cc

@@ -9,6 +9,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
+#include "components/ukm/content/source_url_recorder.h"
 #include "components/ukm/test_ukm_recorder.h"
 #include "content/public/test/web_contents_tester.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -39,6 +40,7 @@ class SoundContentSettingObserverTest : public ChromeRenderViewHostTestHarness {
     ChromeRenderViewHostTestHarness::SetUp();
 
     SoundContentSettingObserver::CreateForWebContents(web_contents());
+    ukm::InitializeSourceUrlRecorderForWebContents(web_contents());
     host_content_settings_map_ = HostContentSettingsMapFactory::GetForProfile(
         Profile::FromBrowserContext(web_contents()->GetBrowserContext()));
     test_ukm_recorder_ = base::MakeUnique<ukm::TestAutoSetUkmRecorder>();