Add a mojo channel for frame messages.

content/browser/frame_host/input/legacy_ipc_frame_input_handler.cc

+// Copyright 2017 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.
+
+#include "content/browser/frame_host/input/legacy_ipc_frame_input_handler.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/common/input_messages.h"
+
+namespace content {
+
+LegacyIPCFrameInputHandler::LegacyIPCFrameInputHandler(
+    RenderFrameHostImpl* frame_host,
+    int routing_id)
+    : frame_host_(frame_host), routing_id_(routing_id) {
+  DCHECK(frame_host);
+}
+
+LegacyIPCFrameInputHandler::~LegacyIPCFrameInputHandler() {}
+
+void LegacyIPCFrameInputHandler::SetCompositionFromExistingText(
+    int32_t start,
+    int32_t end,
+    const std::vector<ui::CompositionUnderline>& ui_underlines) {
+  std::vector<blink::WebCompositionUnderline> underlines;
+  for (const auto& underline : ui_underlines) {
+    blink::WebCompositionUnderline blink_underline(
+        underline.start_offset, underline.end_offset, underline.color,
+        underline.thick, underline.background_color);
+    underlines.push_back(blink_underline);
+  }
+
+  SendInput(base::WrapUnique(new InputMsg_SetCompositionFromExistingText(

[dcheng, 2017/05/17 04:49:06]

General nit: writing base::MakeUnique<T>(...) is preferable to
base::WrapUnique(new T(...))

[dtapuska, 2017/05/17 17:08:07]

Done.

+      routing_id_, start, end, underlines)));
+}
+
+void LegacyIPCFrameInputHandler::ExtendSelectionAndDelete(int32_t before,
+                                                          int32_t after) {
+  SendInput(base::WrapUnique(
+      new InputMsg_ExtendSelectionAndDelete(routing_id_, before, after)));
+}
+
+void LegacyIPCFrameInputHandler::DeleteSurroundingText(int32_t before,
+                                                       int32_t after) {
+  SendInput(base::WrapUnique(
+      new InputMsg_DeleteSurroundingText(routing_id_, before, after)));
+}
+
+void LegacyIPCFrameInputHandler::DeleteSurroundingTextInCodePoints(
+    int32_t before,
+    int32_t after) {
+  SendInput(base::WrapUnique(new InputMsg_DeleteSurroundingTextInCodePoints(
+      routing_id_, before, after)));
+}
+
+void LegacyIPCFrameInputHandler::SetEditableSelectionOffsets(int32_t start,
+                                                             int32_t end) {
+  SendInput(base::WrapUnique(
+      new InputMsg_SetEditableSelectionOffsets(routing_id_, start, end)));
+}
+
+void LegacyIPCFrameInputHandler::ExecuteEditCommand(
+    const std::string& command,
+    const base::Optional<std::string>& value) {
+  if (!value.has_value()) {

[dcheng, 2017/05/17 04:49:06]

Nit: this could be written as !value

[dtapuska, 2017/05/17 17:08:07]

Done.

+    SendInput(base::WrapUnique(
+        new InputMsg_ExecuteNoValueEditCommand(routing_id_, command)));
+  }
+}
+
+void LegacyIPCFrameInputHandler::Undo() {
+  SendInput(base::WrapUnique(new InputMsg_Undo(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::Redo() {
+  SendInput(base::WrapUnique(new InputMsg_Redo(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::Cut() {
+  SendInput(base::WrapUnique(new InputMsg_Cut(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::Copy() {
+  SendInput(base::WrapUnique(new InputMsg_Copy(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::CopyToFindPboard() {
+#if defined(OS_MACOSX)
+  SendInput(base::WrapUnique(new InputMsg_CopyToFindPboard(routing_id_)));
+#endif
+}
+
+void LegacyIPCFrameInputHandler::Paste() {
+  SendInput(base::WrapUnique(new InputMsg_Paste(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::PasteAndMatchStyle() {
+  SendInput(base::WrapUnique(new InputMsg_PasteAndMatchStyle(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::Replace(const std::string& word) {
+  SendInput(base::WrapUnique(
+      new InputMsg_Replace(routing_id_, base::UTF8ToUTF16(word))));
+}
+
+void LegacyIPCFrameInputHandler::ReplaceMisspelling(const std::string& word) {
+  SendInput(base::WrapUnique(
+      new InputMsg_ReplaceMisspelling(routing_id_, base::UTF8ToUTF16(word))));
+}
+
+void LegacyIPCFrameInputHandler::Delete() {
+  SendInput(base::WrapUnique(new InputMsg_Delete(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::SelectAll() {
+  SendInput(base::WrapUnique(new InputMsg_SelectAll(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::CollapseSelection() {
+  SendInput(base::WrapUnique(new InputMsg_CollapseSelection(routing_id_)));
+}
+
+void LegacyIPCFrameInputHandler::SelectRange(const gfx::Point& point,
+                                             const gfx::Point& extent) {
+  SendInput(
+      base::WrapUnique(new InputMsg_SelectRange(routing_id_, point, extent)));
+}
+
+void LegacyIPCFrameInputHandler::AdjustSelectionByCharacterOffset(int32_t start,
+                                                                  int32_t end) {
+  SendInput(base::WrapUnique(
+      new InputMsg_AdjustSelectionByCharacterOffset(routing_id_, start, end)));
+}
+
+void LegacyIPCFrameInputHandler::MoveRangeSelectionExtent(
+    const gfx::Point& extent) {
+  SendInput(base::WrapUnique(
+      new InputMsg_MoveRangeSelectionExtent(routing_id_, extent)));
+}
+
+void LegacyIPCFrameInputHandler::SendInput(
+    std::unique_ptr<IPC::Message> message) {
+  frame_host_->GetRenderWidgetHost()->input_router()->SendInput(
+      std::move(message));
+}
+
+}  // namespace content