Revert of Switch chrome_elf exception handling from breakpad to crashpad.

chrome/common/chrome_constants.h

 // 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.
 
 // A handful of resource-like constants related to the Chrome application.
 
 #ifndef CHROME_COMMON_CHROME_CONSTANTS_H_
 #define CHROME_COMMON_CHROME_CONSTANTS_H_
 
 #include <stddef.h>
@@ skipping 14 matching lines @@
 extern const base::FilePath::CharType kHelperProcessExecutablePathChromium[];
 #if defined(OS_MACOSX)
 // NOTE: if you change the value of kFrameworkName, please don't forget to
 // update components/test/run_all_unittests.cc as well.
 // TODO(tfarina): Remove the comment above, when you fix components to use plist
 // on Mac.
 extern const base::FilePath::CharType kFrameworkName[];
 #endif  // OS_MACOSX
 #if defined(OS_WIN)
 extern const base::FilePath::CharType kBrowserResourcesDll[];
-extern const base::FilePath::CharType kChromeElfDllName[];
+extern const base::FilePath::CharType kMetroDriverDll[];
 extern const base::FilePath::CharType kStatusTrayWindowClass[];
 #endif  // defined(OS_WIN)
 
 extern const char    kInitialProfile[];
 extern const char    kMultiProfileDirPrefix[];
 extern const base::FilePath::CharType kGuestProfileDir[];
 extern const base::FilePath::CharType kSystemProfileDir[];
 
 // filenames
 extern const base::FilePath::CharType kCacheDirname[];
@@ skipping 44 matching lines @@
 // installed.
 extern const float kMaxShareOfExtensionProcesses;
 
 #if defined(OS_LINUX)
 // The highest and lowest assigned OOM score adjustment
 // (oom_score_adj) used by the OomPriority Manager.
 extern const int kLowestRendererOomScore;
 extern const int kHighestRendererOomScore;
 #endif
 
+#if defined(OS_WIN)
+// Used by Metro Chrome to initiate navigation and search requests.
+extern const wchar_t kMetroNavigationAndSearchMessage[];
+// Used by Metro Chrome to get information about the current tab.
+extern const wchar_t kMetroGetCurrentTabInfoMessage[];
+#endif
+
 #if defined(OS_CHROMEOS)
 // Chrome OS profile directories have custom prefix.
 // Profile path format: [user_data_dir]/u-[$hash]
 // Ex.: /home/chronos/u-0123456789
 extern const char kProfileDirPrefix[];
 
 // Legacy profile dir that was used when only one cryptohome has been mounted.
 extern const char kLegacyProfileDir[];
 
 // This must be kept in sync with TestingProfile::kTestUserProfileDir.
 extern const char kTestUserProfileDir[];
 #endif
 
 // Used to identify the application to the system AV function in Windows.
 extern const char kApplicationClientIDStringForAVScanning[];
 
 // The largest reasonable length we'd assume for a meta tag attribute.
 extern const size_t kMaxMetaTagAttributeLength;
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_CONSTANTS_H_