implementation for new duplicate download UI

This change implements the new duplicate download UI.
It renames the DownloadOverwriteInfobarXXXX to DuplicateDownloadInfobarXXXX.
Chrome no longer show the overwrite button,
and always creating a new file if user click on the download button.

BUG=658239

Review-Url: https://codereview.chromium.org/2478583004
Cr-Commit-Position: refs/heads/master@{#431389}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 2d45cd4..74c463a 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -3018,12 +3018,12 @@
       "android/document/document_web_contents_delegate.cc",
       "android/dom_distiller/distiller_ui_handle_android.cc",
       "android/dom_distiller/distiller_ui_handle_android.h",
-      "android/download/android_download_manager_overwrite_infobar_delegate.cc",
-      "android/download/android_download_manager_overwrite_infobar_delegate.h",
+      "android/download/android_download_manager_duplicate_infobar_delegate.cc",
+      "android/download/android_download_manager_duplicate_infobar_delegate.h",
       "android/download/chrome_download_delegate.cc",
       "android/download/chrome_download_delegate.h",
-      "android/download/chrome_download_manager_overwrite_infobar_delegate.cc",
-      "android/download/chrome_download_manager_overwrite_infobar_delegate.h",
+      "android/download/chrome_duplicate_download_infobar_delegate.cc",
+      "android/download/chrome_duplicate_download_infobar_delegate.h",
       "android/download/dangerous_download_infobar_delegate.cc",
       "android/download/dangerous_download_infobar_delegate.h",
       "android/download/download_controller.cc",
@@ -3032,8 +3032,8 @@
       "android/download/download_controller_base.h",
       "android/download/download_manager_service.cc",
       "android/download/download_manager_service.h",
-      "android/download/download_overwrite_infobar_delegate.cc",
-      "android/download/download_overwrite_infobar_delegate.h",
+      "android/download/duplicate_download_infobar_delegate.cc",
+      "android/download/duplicate_download_infobar_delegate.h",
       "android/download/mock_download_controller.cc",
       "android/download/mock_download_controller.h",
       "android/download/ui/thumbnail_provider.cc",
@@ -3884,7 +3884,7 @@
       "../android/java/src/org/chromium/chrome/browser/infobar/AutofillSaveCardInfoBar.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/ConfirmInfoBar.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/DataReductionPromoInfoBarDelegate.java",
-      "../android/java/src/org/chromium/chrome/browser/infobar/DownloadOverwriteInfoBar.java",
+      "../android/java/src/org/chromium/chrome/browser/infobar/DuplicateDownloadInfoBar.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/GeneratedPasswordSavedInfoBarDelegate.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/GroupedPermissionInfoBar.java",
       "../android/java/src/org/chromium/chrome/browser/infobar/InfoBar.java",