First draft to enable turning off compositor for unit tests.

chrome/test/unit/chrome_test_suite.cc

 // Copyright (c) 2011 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/test/unit/chrome_test_suite.h"
 
 #include "app/app_paths.h"
 #include "base/command_line.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/metrics/stats_table.h"
 #include "base/process_util.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_content_client.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/testing_browser_process.h"
 #include "content/common/content_paths.h"
 #include "net/base/net_errors.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
+#if defined(TOOLKIT_VIEWS)
+#include "views/view.h"
+#endif
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #include "content/common/chrome_application_mac.h"
 #endif
 
 #if defined(OS_POSIX)
 #include "base/shared_memory.h"
 #endif
 
@@ skipping 100 matching lines @@
   ResourceBundle::AddDataPackToSharedInstance(resources_pack_path);
 
   // initialize the global StatsTable for unit_tests (make sure the file
   // doesn't exist before opening it so the test gets a clean slate)
   stats_filename_ = "unit_tests";
   std::string pid_string = base::StringPrintf("-%d", base::GetCurrentProcId());
   stats_filename_ += pid_string;
   RemoveSharedMemoryFile(stats_filename_);
   stats_table_ = new base::StatsTable(stats_filename_, 20, 200);
   base::StatsTable::set_current(stats_table_);
+
+#if defined(TOUCH_UI)
+  // Turn of GPU compositing in browser during unit tests.
+  views::View::set_use_acceleration_when_possible(false);
+#endif
 }
 
 void ChromeTestSuite::Shutdown() {
   ResourceBundle::CleanupSharedInstance();
 
 #if defined(OS_MACOSX)
   base::mac::SetOverrideAppBundle(NULL);
 #endif
 
   delete g_browser_process;
   g_browser_process = NULL;
 
   // Tear down shared StatsTable; prevents unit_tests from leaking it.
   base::StatsTable::set_current(NULL);
   delete stats_table_;
   RemoveSharedMemoryFile(stats_filename_);
 
   base::TestSuite::Shutdown();
 }