Add ime.ExtendSelectionAndDelete Mojo RPC

components/arc/common/ime.mojom

Index: components/arc/common/ime.mojom
diff --git a/components/arc/common/ime.mojom b/components/arc/common/ime.mojom
index a3620ea3f712401f365c7b9f1c252073dc00e342..13fd4004cf6c20eecb64dea657abd6ae69629fd1 100644
--- a/components/arc/common/ime.mojom
+++ b/components/arc/common/ime.mojom
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Next MinVersion: 4
+// Next MinVersion: 5
 
 module arc.mojom;
 
@@ -42,6 +42,7 @@ struct CompositionSegment {
   bool emphasized;
 };
 
+// Next method ID: 4
 interface ImeHost {
   // Notifies Chrome that the text input focus is changed.
   OnTextInputTypeChanged@0(TextInputType type);
@@ -56,6 +57,7 @@ interface ImeHost {
   [MinVersion=2] ShowImeIfNeeded@3();
 };
 
+// Next method ID: 6
 interface ImeInstance {
   Init@0(ImeHost host_ptr);
 
@@ -73,4 +75,9 @@ interface ImeInstance {
   // screen coordinate, physical pixel as a unit.
   // When all members are zero value, virtual keyboard is being hidden.
   [MinVersion=3] OnKeyboardBoundsChanging@4(ScreenRect new_bounds);
+

[kinaba, 2016/07/11 07:43:56]

nit: 1 blank line (not 2)

[takaoka, 2016/07/11 08:34:55]

Done.

+
+  // Deletes current selection plus the specified number of characters before

[kinaba, 2016/07/11 07:43:56]

Could you elaborate more on the "number of characters"?
(Is it the number of codepoints, or the number of char16 values, or ...?)

[takaoka, 2016/07/11 08:34:55]

Confirmed that "characters" means
char16.https://cs.chromium.org/chromium/src/ui/views/controls/textfield/textfield.cc?q=Textfield::ExtendSelectionAndDelete&sq=package:chromium

+  // and after selection or caret.
+  [MinVersion=4] ExtendSelectionAndDelete@5(uint32 before, uint32 after);
 };