Revert of Split MinidumpUploadService into core- and Chrome-implementation.

chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java

Index: chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java b/chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java
index d47ab39a3243a9b0d84868d253ae774e3974dab2..70fc7abeb38fda6d8782599f08b5458e423c2e8f 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java
@@ -29,7 +29,6 @@
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.chrome.browser.bookmarkswidget.BookmarkWidgetProvider;
-import org.chromium.chrome.browser.crash.ChromeMinidumpUploadDelegate;
 import org.chromium.chrome.browser.crash.CrashFileManager;
 import org.chromium.chrome.browser.crash.MinidumpUploadService;
 import org.chromium.chrome.browser.init.ProcessInitializationHandler;
@@ -253,14 +252,13 @@
                                 asyncTaskStartTime - UmaUtils.getForegroundStartTime(),
                                 TimeUnit.MILLISECONDS);
                         PrivacyPreferencesManager.getInstance().enablePotentialCrashUploading();
-                        MinidumpUploadService.setUploadDelegate(new ChromeMinidumpUploadDelegate());
                         MinidumpUploadService.tryUploadAllCrashDumps(mAppContext);
                     }
                     CrashFileManager crashFileManager =
                             new CrashFileManager(mAppContext.getCacheDir());
                     crashFileManager.cleanOutAllNonFreshMinidumpFiles();
 
-                    ChromeMinidumpUploadDelegate.storeBreakpadUploadStatsInUma(
+                    MinidumpUploadService.storeBreakpadUploadStatsInUma(
                             ChromePreferenceManager.getInstance(mAppContext));
 
                     // Force a widget refresh in order to wake up any possible zombie widgets.