No longer register app window placement preference keys on the fly.

chrome/browser/ui/window_sizer/window_sizer.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/window_sizer/window_sizer.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 33 matching lines @@
   virtual bool GetPersistentState(
       gfx::Rect* bounds,
       gfx::Rect* work_area,
       ui::WindowShowState* show_state) const OVERRIDE {
     DCHECK(bounds);
     DCHECK(show_state);
 
     if (!browser_ || !browser_->profile()->GetPrefs())
       return false;
 
-    std::string window_name(chrome::GetWindowPlacementKey(browser_));
     const base::DictionaryValue* wp_pref =
-        browser_->profile()->GetPrefs()->GetDictionary(window_name.c_str());
+        chrome::GetWindowPlacementDictionaryReadOnly(browser_);
     int top = 0, left = 0, bottom = 0, right = 0;
     bool maximized = false;
     bool has_prefs = wp_pref &&
                      wp_pref->GetInteger("top", &top) &&
                      wp_pref->GetInteger("left", &left) &&
                      wp_pref->GetInteger("bottom", &bottom) &&
                      wp_pref->GetInteger("right", &right) &&
                      wp_pref->GetBoolean("maximized", &maximized);
     bounds->SetRect(left, top, std::max(0, right - left),
                     std::max(0, bottom - top));
@@ skipping 368 matching lines @@
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kStartMaximized))
     return ui::SHOW_STATE_MAXIMIZED;
 
   if (browser_->initial_show_state() != ui::SHOW_STATE_DEFAULT)
     return browser_->initial_show_state();
 
   // Otherwise we use the default which can be overridden later on.
   return ui::SHOW_STATE_DEFAULT;
 }