chrome: Put window_snapshot into chrome namespace.

chrome/test/gpu/gpu_pixel_browsertest.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 "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
@@ skipping 382 matching lines @@
     gfx::Rect tab_contents_bounds;
     chrome::GetActiveWebContents(browser())->GetContainerBounds(
         &tab_contents_bounds);
 
     gfx::Rect snapshot_bounds(tab_contents_bounds.x() - root_bounds.x(),
                               tab_contents_bounds.y() - root_bounds.y(),
                               tab_contents_bounds.width(),
                               tab_contents_bounds.height());
 
     gfx::NativeWindow native_window = browser()->window()->GetNativeWindow();
-    if (!browser::GrabWindowSnapshot(native_window, &png, snapshot_bounds)) {
+    if (!chrome::GrabWindowSnapshot(native_window, &png, snapshot_bounds)) {
       LOG(ERROR) << "browser::GrabWindowSnapShot() failed";
       return false;
     }
 
     if (!gfx::PNGCodec::Decode(reinterpret_cast<unsigned char*>(&*png.begin()),
                                png.size(), bitmap)) {
       LOG(ERROR) << "Decode PNG to a SkBitmap failed";
       return false;
     }
     return true;
@@ skipping 93 matching lines @@
 IN_PROC_BROWSER_TEST_F(Canvas2DPixelTestSD, Canvas2DRedBoxSD) {
   // If test baseline needs to be updated after a given revision, update the
   // following number. If no revision requirement, then 0.
   const int64 ref_img_revision_update = 123489;
 
   gfx::Size container_size(400, 300);
   FilePath url =
       test_data_dir().AppendASCII("pixel_canvas2d.html");
   RunPixelTest(container_size, url, ref_img_revision_update);
 }