Move NewTabPage.LogoShownTime metrics recording into LogoBridge

chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoDelegateImpl.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoDelegateImpl.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoDelegateImpl.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoDelegateImpl.java
index d38337333bab4fe38381f1fccce40f6e2d2b6d16..373ada4acd33aaf6642a85d1837984c56ba02407 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoDelegateImpl.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/LogoDelegateImpl.java
@@ -11,8 +11,6 @@ import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.ui.base.PageTransition;
 
-import java.util.concurrent.TimeUnit;
-
 import jp.tomorrowkey.android.gifplayer.BaseGifImage;
 
 /**
@@ -24,7 +22,6 @@ public class LogoDelegateImpl implements LogoView.Delegate {
     private static final int STATIC_LOGO_SHOWN = 0;
     private static final int CTA_IMAGE_SHOWN = 1;
 
-    private static final String LOGO_SHOWN_TIME_UMA_NAME = "NewTabPage.LogoShownTime";
 
     private static final String LOGO_CLICK_UMA_NAME = "NewTabPage.LogoClick";
     private static final int STATIC_LOGO_CLICKED = 0;
@@ -38,8 +35,6 @@ public class LogoDelegateImpl implements LogoView.Delegate {
     private String mOnLogoClickUrl;
     private String mAnimatedLogoUrl;
 
-    private boolean mHasRecordedLoadTime;
-
     private boolean mIsDestroyed;
 
     /**
@@ -94,12 +89,6 @@ public class LogoDelegateImpl implements LogoView.Delegate {
                 if (logo != null) {
                     RecordHistogram.recordSparseSlowlyHistogram(LOGO_SHOWN_UMA_NAME,
                             logo.animatedLogoUrl == null ? STATIC_LOGO_SHOWN : CTA_IMAGE_SHOWN);
-                    if (!mHasRecordedLoadTime) {
-                        long loadTime = System.currentTimeMillis() - loadTimeStart;
-                        RecordHistogram.recordMediumTimesHistogram(
-                                LOGO_SHOWN_TIME_UMA_NAME, loadTime, TimeUnit.MILLISECONDS);
-                        mHasRecordedLoadTime = true;
-                    }
                 }
                 logoObserver.onLogoAvailable(logo, fromCache);
             }