Save and restore the options window position instead of always centering the window.

BUG=34644
TEST=Open options window, move and close the window, re-open and ensure position is saved. 
Contributed by Steven Pennington <spenn@engr.uvic.ca>

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57086 0039d316-1c4b-4281-b951-d872f2087c98

AUTHORS

@@ -83,3 +83,4 @@ Giuseppe Iuculano <giuseppe@iuculano.it>
 litl LLC
 James Willcox <jwillcox@litl.com>
 Shreyas VA <v.a.shreyas@gmail.com>
+Steven Pennington <spenn@engr.uvic.ca>

chrome/browser/views/options/options_window_view.cc

@@ -5,6 +5,7 @@
 #include "chrome/browser/options_window.h"
 
 #include "app/l10n_util.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_window.h"
@@ -44,6 +45,7 @@ class OptionsWindowView : public views::View,
     return MessageBoxFlags::DIALOGBUTTON_CANCEL;
   }
   virtual std::wstring GetWindowTitle() const;
+  virtual std::wstring GetWindowName() const;
   virtual void WindowClosing();
   virtual bool Cancel();
   virtual views::View* GetContentsView();
@@ -102,23 +104,7 @@ OptionsWindowView::~OptionsWindowView() {
 
 void OptionsWindowView::ShowOptionsPage(OptionsPage page,
                                         OptionsGroup highlight_group) {
-  if (Browser* b = BrowserList::GetLastActive()) {
-    // Move dialog to user expected position.
-    gfx::Rect frame_bounds = b->window()->GetRestoredBounds();
-    if (b->window()->IsMaximized()) {
-      // For maximized window get monitor size as a bounding box.
-      WindowSizer::MonitorInfoProvider* provider =
-          WindowSizer::CreateDefaultMonitorInfoProvider();
-      frame_bounds = provider->GetMonitorWorkAreaMatching(frame_bounds);
-      delete provider;
-    }
-    gfx::Point origin = frame_bounds.origin();
-    origin.Offset(
-        (frame_bounds.width() - window()->GetBounds().width()) / 2,
-        (frame_bounds.height() - window()->GetBounds().height()) / 2);
-    window()->SetBounds(gfx::Rect(origin, window()->GetBounds().size()), NULL);
-  }
-
+  // Positioning is handled by window_delegate. we just need to show the window.
   // This will show invisible windows and bring visible windows to the front.
   window()->Show();
 
@@ -145,6 +131,10 @@ std::wstring OptionsWindowView::GetWindowTitle() const {
                                l10n_util::GetString(IDS_PRODUCT_NAME));
 }
 
+std::wstring OptionsWindowView::GetWindowName() const {
+  return UTF8ToWide(prefs::kPreferencesWindowPlacement);
+}
+
 void OptionsWindowView::WindowClosing() {
   // Clear the static instance so that the next time ShowOptionsWindow() is
   // called a new window is opened.