Remove BrowserList::GetLastActive calls from window_sizer.cc et al.

chrome/browser/ui/window_sizer/window_sizer_win.cc

Index: chrome/browser/ui/window_sizer/window_sizer_win.cc
diff --git a/chrome/browser/ui/window_sizer/window_sizer_win.cc b/chrome/browser/ui/window_sizer/window_sizer_win.cc
index 2a9b0b2c227ae14fb68e73aa197e6e33638d7e4c..6f18ac935e454364bec3048d1f7f54ebeac07522 100644
--- a/chrome/browser/ui/window_sizer/window_sizer_win.cc
+++ b/chrome/browser/ui/window_sizer/window_sizer_win.cc
@@ -5,27 +5,31 @@
 #include "chrome/browser/ui/window_sizer/window_sizer.h"
 
 #include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/host_desktop.h"
 
 // How much horizontal and vertical offset there is between newly
 // opened windows.
 const int WindowSizer::kWindowTilePixels = 10;
 
 // static
-gfx::Point WindowSizer::GetDefaultPopupOrigin(const gfx::Size& size) {
+gfx::Point WindowSizer::GetDefaultPopupOrigin(const gfx::Size& size,
+                                              chrome::HostDesktopType type) {
   RECT area;
   SystemParametersInfo(SPI_GETWORKAREA, 0, &area, 0);
   gfx::Point corner(area.left, area.top);
 
-  if (Browser* b = BrowserList::GetLastActive()) {
-    RECT browser;
-    HWND window = reinterpret_cast<HWND>(b->window()->GetNativeWindow());
-    if (GetWindowRect(window, &browser)) {
+  if (Browser* browser = browser::FindLastActiveWithHostDesktopType(type)) {
+    RECT browser_rect;
+    HWND window = reinterpret_cast<HWND>(browser->window()->GetNativeWindow());
+    if (GetWindowRect(window, &browser_rect)) {
       // Limit to not overflow the work area right and bottom edges.
       gfx::Point limit(
-          std::min(browser.left + kWindowTilePixels, area.right-size.width()),
-          std::min(browser.top + kWindowTilePixels, area.bottom-size.height())
+          std::min(browser_rect.left + kWindowTilePixels,
+                   area.right-size.width()),
+          std::min(browser_rect.top + kWindowTilePixels,
+                   area.bottom-size.height())
       );
       // Adjust corner to now overflow the work area left and top edges, so
       // that if a popup does not fit the title-bar is remains visible.