Remove window/host accessors from WED; IWYU for WTH

ui/keyboard/keyboard_util.cc

 // Copyright (c) 2013 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 "ui/keyboard/keyboard_util.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string16.h"
 #include "grit/keyboard_resources.h"
 #include "grit/keyboard_resources_map.h"
 #include "ui/aura/client/aura_constants.h"
-#include "ui/aura/window_event_dispatcher.h"
+#include "ui/aura/window_tree_host.h"
 #include "ui/base/ime/input_method.h"
 #include "ui/base/ime/text_input_client.h"
+#include "ui/events/event_processor.h"
 #include "ui/keyboard/keyboard_switches.h"
 #include "url/gurl.h"
 
 namespace {
 
 const char kKeyDown[] ="keydown";
 const char kKeyUp[] = "keyup";
 
 void SendProcessKeyEvent(ui::EventType type,
-                         aura::WindowEventDispatcher* dispatcher) {
+                         aura::WindowTreeHost* host) {
   ui::TranslatedKeyEvent event(type == ui::ET_KEY_PRESSED,
                                ui::VKEY_PROCESSKEY,
                                ui::EF_NONE);
-  ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&event);
+  ui::EventDispatchDetails details =
+      host->event_processor()->OnEventFromSource(&event);
   CHECK(!details.dispatcher_destroyed);
 }
 
 base::LazyInstance<base::Time> g_keyboard_load_time_start =
     LAZY_INSTANCE_INITIALIZER;
 
 bool g_accessibility_keyboard_enabled = false;
 
 base::LazyInstance<GURL> g_override_content_url = LAZY_INSTANCE_INITIALIZER;
 
@@ skipping 44 matching lines @@
 
   return true;
 }
 
 // TODO(varunjain): It would be cleaner to have something in the
 // ui::TextInputClient interface, say MoveCaretInDirection(). The code in
 // here would get the ui::InputMethod from the root_window, and the
 // ui::TextInputClient from that (see above in InsertText()).
 bool MoveCursor(int swipe_direction,
                 int modifier_flags,
-                aura::WindowEventDispatcher* dispatcher) {
-  if (!dispatcher)
+                aura::WindowTreeHost* host) {
+  if (!host)
     return false;
   ui::KeyboardCode codex = ui::VKEY_UNKNOWN;
   ui::KeyboardCode codey = ui::VKEY_UNKNOWN;
   if (swipe_direction & kCursorMoveRight)
     codex = ui::VKEY_RIGHT;
   else if (swipe_direction & kCursorMoveLeft)
     codex = ui::VKEY_LEFT;
 
   if (swipe_direction & kCursorMoveUp)
     codey = ui::VKEY_UP;
   else if (swipe_direction & kCursorMoveDown)
     codey = ui::VKEY_DOWN;
 
   // First deal with the x movement.
   if (codex != ui::VKEY_UNKNOWN) {
     ui::KeyEvent press_event(ui::ET_KEY_PRESSED, codex, modifier_flags, 0);
     ui::EventDispatchDetails details =
-        dispatcher->OnEventFromSource(&press_event);
+        host->event_processor()->OnEventFromSource(&press_event);
     CHECK(!details.dispatcher_destroyed);
     ui::KeyEvent release_event(ui::ET_KEY_RELEASED, codex, modifier_flags, 0);
-    details = dispatcher->OnEventFromSource(&release_event);
+    details = host->event_processor()->OnEventFromSource(&release_event);
     CHECK(!details.dispatcher_destroyed);
   }
 
   // Then deal with the y movement.
   if (codey != ui::VKEY_UNKNOWN) {
     ui::KeyEvent press_event(ui::ET_KEY_PRESSED, codey, modifier_flags, 0);
     ui::EventDispatchDetails details =
-        dispatcher->OnEventFromSource(&press_event);
+        host->event_processor()->OnEventFromSource(&press_event);
     CHECK(!details.dispatcher_destroyed);
     ui::KeyEvent release_event(ui::ET_KEY_RELEASED, codey, modifier_flags, 0);
-    details = dispatcher->OnEventFromSource(&release_event);
+    details = host->event_processor()->OnEventFromSource(&release_event);
     CHECK(!details.dispatcher_destroyed);
   }
   return true;
 }
 
 bool SendKeyEvent(const std::string type,
                   int key_value,
                   int key_code,
                   std::string key_name,
                   int modifiers,
-                  aura::WindowEventDispatcher* dispatcher) {
+                  aura::WindowTreeHost* host) {
   ui::EventType event_type = ui::ET_UNKNOWN;
   if (type == kKeyDown)
     event_type = ui::ET_KEY_PRESSED;
   else if (type == kKeyUp)
     event_type = ui::ET_KEY_RELEASED;
   if (event_type == ui::ET_UNKNOWN)
     return false;
 
   ui::KeyboardCode code = static_cast<ui::KeyboardCode>(key_code);
 
   if (code == ui::VKEY_UNKNOWN) {
     // Handling of special printable characters (e.g. accented characters) for
     // which there is no key code.
     if (event_type == ui::ET_KEY_RELEASED) {
-      ui::InputMethod* input_method = dispatcher->window()->GetProperty(
+      ui::InputMethod* input_method = host->window()->GetProperty(
           aura::client::kRootWindowInputMethodKey);
       if (!input_method)
         return false;
 
       ui::TextInputClient* tic = input_method->GetTextInputClient();
 
-      SendProcessKeyEvent(ui::ET_KEY_PRESSED, dispatcher);
+      SendProcessKeyEvent(ui::ET_KEY_PRESSED, host);
       tic->InsertChar(static_cast<uint16>(key_value), ui::EF_NONE);
-      SendProcessKeyEvent(ui::ET_KEY_RELEASED, dispatcher);
+      SendProcessKeyEvent(ui::ET_KEY_RELEASED, host);
     }
   } else {
     if (event_type == ui::ET_KEY_RELEASED) {
       // The number of key press events seen since the last backspace.
       static int keys_seen = 0;
       if (code == ui::VKEY_BACK) {
         // Log the rough lengths of characters typed between backspaces. This
         // metric will be used to determine the error rate for the keyboard.
         UMA_HISTOGRAM_CUSTOM_COUNTS(
             "VirtualKeyboard.KeystrokesBetweenBackspaces",
             keys_seen, 1, 1000, 50);
         keys_seen = 0;
       } else {
         ++keys_seen;
       }
     }
 
     ui::KeyEvent event(event_type, code, key_name, modifiers, false);
-    ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&event);
+    ui::EventDispatchDetails details =
+        host->event_processor()->OnEventFromSource(&event);
     CHECK(!details.dispatcher_destroyed);
   }
   return true;
 }
 
 const void MarkKeyboardLoadStarted() {
   if (!g_keyboard_load_time_start.Get().ToInternalValue())
     g_keyboard_load_time_start.Get() = base::Time::Now();
 }
 
@@ skipping 114 matching lines @@
 }
 
 void LogKeyboardControlEvent(KeyboardControlEvent event) {
   UMA_HISTOGRAM_ENUMERATION(
       "VirtualKeyboard.KeyboardControlEvent",
       event,
       keyboard::KEYBOARD_CONTROL_MAX);
 }
 
 }  // namespace keyboard