Fix InputConnection.deleteSurroundingText()

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 9c5ec1cac037061cbd3a1300bf5f7474f30f6221..b770fe6efee791442c1787f386daa2b20c007446 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -1403,6 +1403,7 @@ bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(InputMsg_ReplaceMisspelling, OnReplaceMisspelling)
     IPC_MESSAGE_HANDLER(InputMsg_ExtendSelectionAndDelete,
                         OnExtendSelectionAndDelete)
+    IPC_MESSAGE_HANDLER(InputMsg_DeleteSurroundingText, OnDeleteSurroundingText)
     IPC_MESSAGE_HANDLER(InputMsg_SetCompositionFromExistingText,
                         OnSetCompositionFromExistingText)
     IPC_MESSAGE_HANDLER(InputMsg_ExecuteNoValueEditCommand,
@@ -1965,6 +1966,14 @@ void RenderFrameImpl::OnExtendSelectionAndDelete(int before, int after) {
   frame_->extendSelectionAndDelete(before, after);
 }
 
+void RenderFrameImpl::OnDeleteSurroundingText(size_t before, size_t after) {
+  if (!GetRenderWidget()->ShouldHandleImeEvent())
+    return;
+
+  ImeEventGuard guard(GetRenderWidget());
+  frame_->deleteSurroundingText(before, after);
+}
+
 void RenderFrameImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
   if (accessibility_mode_ == new_mode)
     return;