exo: Add SetGeometry function to ShellSurface class.

components/exo/shell_surface_unittest.cc

 // Copyright 2015 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 "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/exo/buffer.h"
 #include "components/exo/shell_surface.h"
 #include "components/exo/surface.h"
 #include "components/exo/test/exo_test_base.h"
@@ skipping 99 matching lines @@
 
   // Post a task that will destroy the shell surface and then start an
   // interactive move. The interactive move should end when surface is
   // destroyed.
   base::MessageLoopForUI::current()->PostTask(
       FROM_HERE,
       base::Bind(&DestroyShellSurface, base::Unretained(&shell_surface)));
   shell_surface->Move();
 }
 
+TEST_F(ShellSurfaceTest, SetGeometry) {
+  gfx::Size buffer_size(64, 64);
+  scoped_ptr<Buffer> buffer(new Buffer(
+      exo_test_helper()->CreateGpuMemoryBuffer(buffer_size), GL_TEXTURE_2D));
+  scoped_ptr<Surface> surface(new Surface);
+  scoped_ptr<ShellSurface> shell_surface(new ShellSurface(surface.get()));
+
+  shell_surface->SetToplevel();
+  gfx::Rect geometry(16, 16, 32, 32);
+  shell_surface->SetGeometry(geometry);
+  surface->Attach(buffer.get());
+  surface->Commit();
+  EXPECT_EQ(
+      geometry.size().ToString(),
+      shell_surface->GetWidget()->GetWindowBoundsInScreen().size().ToString());
+  EXPECT_EQ(gfx::Rect(gfx::Point() - geometry.OffsetFromOrigin(), buffer_size)
+                .ToString(),
+            surface->bounds().ToString());
+}
+
 }  // namespace
 }  // namespace exo