Revert 86914 - Move a bunch of functions from Window onto Widget.

Revert 86914 - Move a bunch of functions from Window onto Widget.

Many tests in browser_tests crashed with a LOG(DFATAL) message on Chrome OS:
[28862:28862:0526/153905:3290241082989:FATAL:browser_main.cc(955)] GLib-GObject: invalid (NULL) pointer instance
Backtrace:
	base::debug::StackTrace::StackTrace() [0x33308d6]
	logging::LogMessage::~LogMessage() [0x334df2e]
	(anonymous namespace)::GLibLogHandler() [0x7c7d45]
	0x2ab2a37a7fb9
	0x2ab2a37a83d3
	0x2ab2a313302a
	0x2ab2a31315c5
	views::NativeWidgetGtk::InitNativeWidget() [0x1a30dcf]
	views::Widget::Init() [0x1a37fa7]
	NativeTabContentsViewGtk::InitNativeTabContentsView() [0x10c6b83]
	TabContentsViewViews::CreateView() [0x397ac46]
	TabContents::TabContents() [0x1501e09]
	Browser::TabContentsFactory() [0xc84725]
	browser::Navigate() [0xc954c7]
	Browser::AddSelectedTabWithURL() [0xc76d9e]
	(anonymous namespace)::InitializeBrowser() [0x70be3d]
	InProcessBrowserTest::CreateBrowser() [0x70d178]
	InProcessBrowserTest::RunTestOnMainThreadLoop() [0x70d34a]
	[...snipped...]

BUG=72040
TEST=none
Review URL: http://codereview.chromium.org/7075019

R=msw@chromium.org
TBR=ben@chromium.org
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=86939

[msw, 2011-05-27 00:20:42]

On 2011/05/27 00:14:00, wtc wrote:

LGTM :[