DesktopWindowTreeHostX11::GetWindowBoundsInScreen returns window bounds.

extensions/browser/app_window/app_window_browsertest.cc

 // Copyright 2014 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/apps/app_browsertest_util.h"
 #include "extensions/browser/app_window/native_app_window.h"
 
 namespace extensions {
 
 namespace {
 
 typedef PlatformAppBrowserTest AppWindowBrowserTest;
 
-// This test is disabled on Linux because of the unpredictable nature of native
-// windows. We cannot assume that the window manager will insert any title bar
-// at all, so the test may fail on certain window managers.
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
-#define MAYBE_FrameInsetsForDefaultFrame DISABLED_FrameInsetsForDefaultFrame
-#else
-#define MAYBE_FrameInsetsForDefaultFrame FrameInsetsForDefaultFrame
-#endif
-
 // Verifies that the NativeAppWindows implement GetFrameInsets() correctly.
 // See http://crbug.com/346115
-IN_PROC_BROWSER_TEST_F(AppWindowBrowserTest, MAYBE_FrameInsetsForDefaultFrame) {
+// Note: This test assumes that the window manager adds a top title bar, and may
+// fail on window managers that do not. (This may be true for certain window
+// managers on Linux.) Since it passes on our bots, this is acceptable.
+IN_PROC_BROWSER_TEST_F(AppWindowBrowserTest, FrameInsetsForDefaultFrame) {
   AppWindow* app_window = CreateTestAppWindow("{}");
   NativeAppWindow* native_window = app_window->GetBaseWindow();
   gfx::Insets insets = native_window->GetFrameInsets();
 
   // It is a reasonable assumption that the top padding must be greater than
   // the bottom padding due to the title bar.
   EXPECT_GT(insets.top(), insets.bottom());
 
   CloseAppWindow(app_window);
 }
 
-// This test is also disabled on Linux because frame: color is ignored on stable
-// and beta channels (so it can fail the same as the previous test).
-// TODO(benwells): Re-enable on Linux after frame: color is on stable.
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
-#define MAYBE_FrameInsetsForColoredFrame DISABLED_FrameInsetsForColoredFrame
-#else
-#define MAYBE_FrameInsetsForColoredFrame FrameInsetsForColoredFrame
-#endif
-
 // Verifies that the NativeAppWindows implement GetFrameInsets() correctly.
 // See http://crbug.com/346115
-IN_PROC_BROWSER_TEST_F(AppWindowBrowserTest, MAYBE_FrameInsetsForColoredFrame) {
+// Note: This test may also fail on window managers that do not add top title
+// bars, because frame: color is ignored on stable and beta channels.
+// TODO(benwells): Remove this comment after frame: color is on stable.
+IN_PROC_BROWSER_TEST_F(AppWindowBrowserTest, FrameInsetsForColoredFrame) {
   AppWindow* app_window =
       CreateTestAppWindow("{ \"frame\": { \"color\": \"#ffffff\" } }");
   NativeAppWindow* native_window = app_window->GetBaseWindow();
   gfx::Insets insets = native_window->GetFrameInsets();
 
   // It is a reasonable assumption that the top padding must be greater than
   // the bottom padding due to the title bar.
   EXPECT_GT(insets.top(), insets.bottom());
 
   CloseAppWindow(app_window);
@@ skipping 11 matching lines @@
   EXPECT_EQ(0, insets.bottom());
   EXPECT_EQ(0, insets.left());
   EXPECT_EQ(0, insets.right());
 
   CloseAppWindow(app_window);
 }
 
 }  // namespace
 
 }  // namespace extensions