Removed unused code path.

reuse_existing_data is never set true.
It should be removed with https://codereview.chromium.org/26558003

Review URL: https://codereview.chromium.org/81563002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236642 0039d316-1c4b-4281-b951-d872f2087c98

7 files changed, 0 insertions, 69 deletions

diff --git a/chrome/browser/printing/print_preview_message_handler.cc b/chrome/browser/printing/print_preview_message_handler.cc
index c629717..e603806 100644
--- a/chrome/browser/printing/print_preview_message_handler.cc
+++ b/chrome/browser/printing/print_preview_message_handler.cc
@@ -146,18 +146,6 @@ void PrintPreviewMessageHandler::OnMetafileReadyForPrinting(
   if (!print_preview_ui)
     return;
 
-  if (params.reuse_existing_data) {
-    // Need to match normal rendering where we are expected to send this.
-    PrintHostMsg_DidGetPreviewPageCount_Params temp_params;
-    temp_params.page_count = params.expected_pages_count;
-    temp_params.document_cookie = params.document_cookie;
-    temp_params.is_modifiable = params.modifiable;
-    temp_params.preview_request_id = params.preview_request_id;
-    print_preview_ui->OnDidGetPreviewPageCount(temp_params);
-    print_preview_ui->OnReusePreviewData(params.preview_request_id);
-    return;
-  }
-
   // TODO(joth): This seems like a good match for using RefCountedStaticMemory
   // to avoid the memory copy, but the SetPrintPreviewData call chain below
   // needs updating to accept the RefCountedMemory* base class.
diff --git a/chrome/browser/resources/print_preview/native_layer.js b/chrome/browser/resources/print_preview/native_layer.js
index 3e4cf11..a5c133f 100644
--- a/chrome/browser/resources/print_preview/native_layer.js
+++ b/chrome/browser/resources/print_preview/native_layer.js
@@ -36,7 +36,6 @@ cr.define('print_preview', function() {
         this.onDidGetDefaultPageLayout_.bind(this);
     global['onDidGetPreviewPageCount'] =
         this.onDidGetPreviewPageCount_.bind(this);
-    global['reloadPreviewPages'] = this.onReloadPreviewPages_.bind(this);
     global['onDidPreviewPage'] = this.onDidPreviewPage_.bind(this);
     global['updatePrintPreview'] = this.onUpdatePrintPreview_.bind(this);
     global['printScalingDisabledForSourcePDF'] =
@@ -75,7 +74,6 @@ cr.define('print_preview', function() {
         'print_preview.NativeLayer.PREVIEW_GENERATION_DONE',
     PREVIEW_GENERATION_FAIL:
         'print_preview.NativeLayer.PREVIEW_GENERATION_FAIL',
-    PREVIEW_RELOAD: 'print_preview.NativeLayer.PREVIEW_RELOAD',
     PRINT_TO_CLOUD: 'print_preview.NativeLayer.PRINT_TO_CLOUD',
     SETTINGS_INVALID: 'print_preview.NativeLayer.SETTINGS_INVALID',
     PRIVET_PRINTER_CHANGED: 'print_preview.NativeLayer.PRIVET_PRINTER_CHANGED',
@@ -173,7 +171,6 @@ cr.define('print_preview', function() {
      *   - PAGE_PREVIEW_READY
      *   - PREVIEW_GENERATION_DONE
      *   - PREVIEW_GENERATION_FAIL
-     *   - PREVIEW_RELOAD
      * @param {print_preview.Destination} destination Destination to print to.
      * @param {!print_preview.PrintTicketStore} printTicketStore Used to get the
      *     state of the print ticket.
@@ -560,21 +557,6 @@ cr.define('print_preview', function() {
     },
 
     /**
-     * Called when no pipelining previewed pages.
-     * @param {number} previewUid Preview unique identifier.
-     * @param {number} previewResponseId The preview request id that resulted in
-     *     this response.
-     * @private
-     */
-    onReloadPreviewPages_: function(previewUid, previewResponseId) {
-      var previewReloadEvent = new Event(
-          NativeLayer.EventType.PREVIEW_RELOAD);
-      previewReloadEvent.previewUid = previewUid;
-      previewReloadEvent.previewResponseId = previewResponseId;
-      this.dispatchEvent(previewReloadEvent);
-    },
-
-    /**
      * Notification that a print preview page has been rendered.
      * Check if the settings have changed and request a regeneration if needed.
      * Called from PrintPreviewUI::OnDidPreviewPage().
diff --git a/chrome/browser/resources/print_preview/preview_generator.js b/chrome/browser/resources/print_preview/preview_generator.js
index d0a7376..a26345c 100644
--- a/chrome/browser/resources/print_preview/preview_generator.js
+++ b/chrome/browser/resources/print_preview/preview_generator.js
@@ -205,10 +205,6 @@ cr.define('print_preview', function() {
           this.onPageCountReady_.bind(this));
       this.tracker_.add(
           this.nativeLayer_,
-          print_preview.NativeLayer.EventType.PREVIEW_RELOAD,
-          this.onPreviewReload_.bind(this));
-      this.tracker_.add(
-          this.nativeLayer_,
           print_preview.NativeLayer.EventType.PAGE_PREVIEW_READY,
           this.onPagePreviewReady_.bind(this));
       this.tracker_.add(
@@ -340,25 +336,6 @@ cr.define('print_preview', function() {
     },
 
     /**
-     * Called when the print preview should be reloaded.
-     * @param {Event} event Contains the preview UID and request ID.
-     * @private
-     */
-    onPreviewReload_: function(event) {
-      if (this.inFlightRequestId_ != event.previewResponseId) {
-        return; // Ignore old response.
-      }
-      var pageNumberSet = this.printTicketStore_.pageRange.getPageNumberSet();
-      this.dispatchPreviewStartEvent_(
-          event.previewUid, pageNumberSet.getPageNumberAt(0) - 1);
-      for (var i = 0; i < pageNumberSet.size; i++) {
-        var pageNumber = pageNumberSet.getPageNumberAt(i);
-        this.dispatchPageReadyEvent_(i, pageNumber, event.previewUid);
-      }
-      cr.dispatchSimpleEvent(this, PreviewGenerator.EventType.DOCUMENT_READY);
-    },
-
-    /**
      * Called when a page's preview has been generated. Dispatches a
      * PAGE_READY event.
      * @param {Event} event Contains the page index and preview UID.
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_ui.cc b/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
index 8576382..010925c5 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
+++ b/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
@@ -518,13 +518,6 @@ void PrintPreviewUI::OnDidPreviewPage(int page_number,
     web_ui()->CallJavascriptFunction("autoCancelForTesting");
 }
 
-void PrintPreviewUI::OnReusePreviewData(int preview_request_id) {
-  base::FundamentalValue ui_identifier(id_);
-  base::FundamentalValue ui_preview_request_id(preview_request_id);
-  web_ui()->CallJavascriptFunction("reloadPreviewPages", ui_identifier,
-                                   ui_preview_request_id);
-}
-
 void PrintPreviewUI::OnPreviewDataIsAvailable(int expected_pages_count,
                                               int preview_request_id) {
   VLOG(1) << "Print preview request finished with "
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_ui.h b/chrome/browser/ui/webui/print_preview/print_preview_ui.h
index ab893bb..33fcd80 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_ui.h
+++ b/chrome/browser/ui/webui/print_preview/print_preview_ui.h
@@ -104,10 +104,6 @@ class PrintPreviewUI : public ConstrainedWebDialogUI {
   void OnPreviewDataIsAvailable(int expected_pages_count,
                                 int preview_request_id);
 
-  // Notifies the Web UI renderer to reuse the preview data.
-  // |preview_request_id| indicates which request resulted in this response.
-  void OnReusePreviewData(int preview_request_id);
-
   // Notifies the Web UI that preview dialog has been destroyed. This is the
   // last chance to communicate with the initiator before the association is
   // erased.
diff --git a/chrome/common/print_messages.h b/chrome/common/print_messages.h
index dc9248b..d4de3ce 100644
--- a/chrome/common/print_messages.h
+++ b/chrome/common/print_messages.h
@@ -183,10 +183,6 @@ IPC_STRUCT_TRAITS_END()
 
 // Parameters to describe a rendered document.
 IPC_STRUCT_BEGIN(PrintHostMsg_DidPreviewDocument_Params)
-  // True when we can reuse existing preview data. |metafile_data_handle| and
-  // |data_size| should not be used when this is true.
-  IPC_STRUCT_MEMBER(bool, reuse_existing_data)
-
   // A shared memory handle to metafile data.
   IPC_STRUCT_MEMBER(base::SharedMemoryHandle, metafile_data_handle)
 
diff --git a/chrome/renderer/printing/print_web_view_helper.cc b/chrome/renderer/printing/print_web_view_helper.cc
index 70faa91..c891b25 100644
--- a/chrome/renderer/printing/print_web_view_helper.cc
+++ b/chrome/renderer/printing/print_web_view_helper.cc
@@ -1095,7 +1095,6 @@ bool PrintWebViewHelper::FinalizePrintReadyDocument() {
   DCHECK_GT(buf_size, 0u);
 
   PrintHostMsg_DidPreviewDocument_Params preview_params;
-  preview_params.reuse_existing_data = false;
   preview_params.data_size = buf_size;
   preview_params.document_cookie = print_pages_params_->params.document_cookie;
   preview_params.expected_pages_count =