Track Kaleidoscope derived tabs

This will be used for watchtime tracking (in a sep. CL).

Change-Id: I4d3c58b307e4f7e2bf76010a81660defca399f92
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2544930
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Reviewed-by: Tommy Steimel <steimel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828454}

chrome/browser/media/kaleidoscope/kaleidoscope_tab_helper.cc

@@ -65,6 +65,18 @@ void KaleidoscopeTabHelper::ReadyToCommitNavigation(
 
   RecordMetricsOnNavigation(handle);
   SetAutoplayOnNavigation(handle);
+
+  if (IsOpenedFromKaleidoscope(handle)) {
+    is_kaleidoscope_derived_ = true;
+    return;
+  }
+
+  auto current_origin =
+      url::Origin::Create(handle->GetWebContents()->GetLastCommittedURL());
+  auto new_origin = url::Origin::Create(handle->GetURL());
+  if (!current_origin.IsSameOriginWith(new_origin)) {
+    is_kaleidoscope_derived_ = false;
+  }
 }
 
 void KaleidoscopeTabHelper::RecordMetricsOnNavigation(

chrome/browser/media/kaleidoscope/kaleidoscope_tab_helper.h

@@ -28,6 +28,10 @@ class KaleidoscopeTabHelper
   // content::WebContentsObserver:
   void ReadyToCommitNavigation(content::NavigationHandle* handle) override;
 
+  // A tab is Kaleidoscope derived if the tab was opened by Kaleidoscope and
+  // remains on the same origin.
+  bool IsKaleidoscopeDerived() const { return is_kaleidoscope_derived_; }
+
  private:
   friend class content::WebContentsUserData<KaleidoscopeTabHelper>;
 
@@ -36,6 +40,8 @@ class KaleidoscopeTabHelper
   void RecordMetricsOnNavigation(content::NavigationHandle* handle);
   void SetAutoplayOnNavigation(content::NavigationHandle* handle);
 
+  bool is_kaleidoscope_derived_ = false;
+
   WEB_CONTENTS_USER_DATA_KEY_DECL();
 };
 

chrome/browser/media/kaleidoscope/kaleidoscope_tab_helper_browsertest.cc

@@ -57,6 +57,10 @@ class KaleidoscopeTabHelperBrowserTest : public InProcessBrowserTest {
     return browser()->tab_strip_model()->GetActiveWebContents();
   }
 
+  KaleidoscopeTabHelper* GetTabHelper() {
+    return KaleidoscopeTabHelper::FromWebContents(GetWebContents());
+  }
+
   base::HistogramTester histogram_tester_;
 };
 
@@ -70,6 +74,7 @@ IN_PROC_BROWSER_TEST_F(KaleidoscopeTabHelperBrowserTest,
 
   // Autoplay should not be allowed since that is the default.
   EXPECT_FALSE(AttemptPlay(GetWebContents()));
+  EXPECT_FALSE(GetTabHelper()->IsKaleidoscopeDerived());
 
   histogram_tester_.ExpectTotalCount(
       KaleidoscopeTabHelper::kKaleidoscopeNavigationHistogramName, 0);
@@ -91,10 +96,12 @@ IN_PROC_BROWSER_TEST_F(KaleidoscopeTabHelperBrowserTest,
 
   // Autoplay should be allowed because this page was opened from Kaleidoscope.
   EXPECT_TRUE(AttemptPlay(GetWebContents()));
+  EXPECT_TRUE(GetTabHelper()->IsKaleidoscopeDerived());
 
   // Autoplay should not be allowed since this is a derived navigation.
   NavigateInRenderer(GetWebContents(), kTestPageUrl);
   EXPECT_FALSE(AttemptPlay(GetWebContents()));
+  EXPECT_TRUE(GetTabHelper()->IsKaleidoscopeDerived());
 
   histogram_tester_.ExpectBucketCount(
       KaleidoscopeTabHelper::kKaleidoscopeNavigationHistogramName,
@@ -106,4 +113,8 @@ IN_PROC_BROWSER_TEST_F(KaleidoscopeTabHelperBrowserTest,
 
   auto* ukm_entry = ukm_entries.back();
   test_ukm_recorder.ExpectEntrySourceHasUrl(ukm_entry, kTestPageUrl);
+
+  NavigateInRenderer(GetWebContents(), embedded_test_server()->GetURL(
+                                           "example.com", kTestPagePath));
+  EXPECT_FALSE(GetTabHelper()->IsKaleidoscopeDerived());
 }