Moves most frame related classes to ash/common/frame

ash/common/frame/caption_buttons/frame_size_button.cc

Index: ash/common/frame/caption_buttons/frame_size_button.cc
diff --git a/ash/frame/caption_buttons/frame_size_button.cc b/ash/common/frame/caption_buttons/frame_size_button.cc
similarity index 91%
rename from ash/frame/caption_buttons/frame_size_button.cc
rename to ash/common/frame/caption_buttons/frame_size_button.cc
index 171ffcb98ca89051ce1b4dcc69150ec8a0aafa51..e28380958000abe098a322d6319908b2308d8f85 100644
--- a/ash/frame/caption_buttons/frame_size_button.cc
+++ b/ash/common/frame/caption_buttons/frame_size_button.cc
@@ -2,19 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/frame/caption_buttons/frame_size_button.h"
+#include "ash/common/frame/caption_buttons/frame_size_button.h"
 
-#include "ash/aura/wm_window_aura.h"
 #include "ash/common/wm/window_positioning_utils.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm/workspace/phantom_window_controller.h"
+#include "ash/common/wm_lookup.h"
 #include "ash/common/wm_shell.h"
-#include "ash/screen_util.h"
-#include "ash/wm/window_state_aura.h"
-#include "ash/wm/window_util.h"
+#include "ash/common/wm_window.h"
 #include "base/i18n/rtl.h"
-#include "ui/aura/window.h"
 #include "ui/gfx/geometry/vector2d.h"
 #include "ui/views/widget/widget.h"
 
@@ -214,19 +211,15 @@ void FrameSizeButton::UpdateSnapType(const ui::LocatedEvent& event) {
   }
 
   if (snap_type_ == SNAP_LEFT || snap_type_ == SNAP_RIGHT) {
-    aura::Window* window = frame_->GetNativeWindow();
-    if (!phantom_window_controller_.get()) {
-      phantom_window_controller_.reset(
-          new PhantomWindowController(WmWindowAura::Get(window)));
-    }
+    WmWindow* window = WmLookup::Get()->GetWindowForWidget(frame_);
+    if (!phantom_window_controller_.get())
+      phantom_window_controller_.reset(new PhantomWindowController(window));
     gfx::Rect phantom_bounds_in_parent =
         (snap_type_ == SNAP_LEFT)
-            ? wm::GetDefaultLeftSnappedWindowBoundsInParent(
-                  WmWindowAura::Get(window))
-            : wm::GetDefaultRightSnappedWindowBoundsInParent(
-                  WmWindowAura::Get(window));
-    phantom_window_controller_->Show(ScreenUtil::ConvertRectToScreen(
-        window->parent(), phantom_bounds_in_parent));
+            ? wm::GetDefaultLeftSnappedWindowBoundsInParent(window)
+            : wm::GetDefaultRightSnappedWindowBoundsInParent(window);
+    phantom_window_controller_->Show(
+        window->GetParent()->ConvertRectToScreen(phantom_bounds_in_parent));
   } else {
     phantom_window_controller_.reset();
   }
@@ -250,8 +243,8 @@ bool FrameSizeButton::CommitSnap(const ui::LocatedEvent& event) {
   UpdateSnapType(event);
 
   if (in_snap_mode_ && (snap_type_ == SNAP_LEFT || snap_type_ == SNAP_RIGHT)) {
-    wm::WindowState* window_state =
-        wm::GetWindowState(frame_->GetNativeWindow());
+    WmWindow* window = WmLookup::Get()->GetWindowForWidget(frame_);
+    wm::WindowState* window_state = window->GetWindowState();
     const wm::WMEvent snap_event(snap_type_ == SNAP_LEFT
                                      ? wm::WM_EVENT_SNAP_LEFT
                                      : wm::WM_EVENT_SNAP_RIGHT);