MacViews: Implement NSResponder deletion action messages.

ui/views/cocoa/bridged_content_view.mm

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ui/views/cocoa/bridged_content_view.h"
 
 #include "base/logging.h"
 #import "base/mac/mac_util.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 660 matching lines @@
 
 - (void)moveToRightEndOfLineAndModifySelection:(id)sender {
   [self handleAction:IDS_MOVE_TO_END_OF_LINE_AND_MODIFY_SELECTION
              keyCode:ui::VKEY_END
              domCode:ui::DomCode::END
           eventFlags:ui::EF_SHIFT_DOWN];
 }
 
 // Deletions.
 
+// views::Textfields are single-line only, map Paragraph and Document commands

[tapted, 2016/04/29 04:15:39]

Move this up to the section comment in line 569, since it will apply to the
movement stuff above line 681 as well

[karandeepb, 2016/05/02 02:53:42]

Done.

+// to Line.
+
 - (void)deleteForward:(id)sender {
   [self handleAction:IDS_DELETE_FORWARD
              keyCode:ui::VKEY_DELETE
              domCode:ui::DomCode::DEL
           eventFlags:0];
 }
 
 - (void)deleteBackward:(id)sender {
   [self handleAction:IDS_DELETE_BACKWARD
              keyCode:ui::VKEY_BACK
              domCode:ui::DomCode::BACKSPACE
           eventFlags:0];
 }
 
 - (void)deleteWordForward:(id)sender {
   [self handleAction:IDS_DELETE_WORD_FORWARD
              keyCode:ui::VKEY_DELETE
              domCode:ui::DomCode::DEL
           eventFlags:ui::EF_CONTROL_DOWN];
 }
 
 - (void)deleteWordBackward:(id)sender {
   [self handleAction:IDS_DELETE_WORD_BACKWARD
              keyCode:ui::VKEY_BACK
              domCode:ui::DomCode::BACKSPACE
           eventFlags:ui::EF_CONTROL_DOWN];
 }
 
+- (void)deleteToBeginningOfLine:(id)sender {
+  [self handleAction:IDS_DELETE_TO_BEGINNING_OF_LINE
+             keyCode:ui::VKEY_BACK
+             domCode:ui::DomCode::BACKSPACE
+          eventFlags:ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN];
+}
+
+- (void)deleteToEndOfLine:(id)sender {
+  [self handleAction:IDS_DELETE_TO_END_OF_LINE
+             keyCode:ui::VKEY_DELETE
+             domCode:ui::DomCode::DEL
+          eventFlags:ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN];
+}
+
+- (void)deleteToBeginningOfParagraph:(id)sender {
+  [self deleteToBeginningOfLine:sender];
+}
+
+- (void)deleteToEndOfParagraph:(id)sender {
+  [self deleteToEndOfLine:sender];
+}
+
 // Cancellation.
 
 - (void)cancelOperation:(id)sender {
   [self handleAction:0
              keyCode:ui::VKEY_ESCAPE
              domCode:ui::DomCode::ESCAPE
           eventFlags:0];
 }
 
 // Support for Services in context menus.
@@ skipping 208 matching lines @@
   }
 
   return [super accessibilityAttributeValue:attribute];
 }
 
 - (id)accessibilityHitTest:(NSPoint)point {
   return [hostedView_->GetNativeViewAccessible() accessibilityHitTest:point];
 }
 
 @end