MacViews: Implement NSResponder deletion action messages.

ui/views/cocoa/bridged_content_view.mm

Index: ui/views/cocoa/bridged_content_view.mm
diff --git a/ui/views/cocoa/bridged_content_view.mm b/ui/views/cocoa/bridged_content_view.mm
index 6d72fef5cf7ece1d35262f4b7b1a572622710f05..b53e5011ba8a9373fc4fda4c3c162a20e8c9c059 100644
--- a/ui/views/cocoa/bridged_content_view.mm
+++ b/ui/views/cocoa/bridged_content_view.mm
@@ -678,6 +678,9 @@ gfx::Rect GetFirstRectForRangeHelper(const ui::TextInputClient* client,
 
 // 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
@@ -706,6 +709,28 @@ gfx::Rect GetFirstRectForRangeHelper(const ui::TextInputClient* client,
           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 {