Update to Chromium revision 0bfd25d4 (#381305)

- Delete include/cef_runnable.h (issue #1336).
- Build the cef_unittests target using all Chromium headers. Add a
  USING_CHROMIUM_INCLUDES define and libcef_dll_wrapper_unittests
  target to support this. This change avoids compile errors due to
  the divergence of CEF and Chromium base/ header implementations.
  The libcef_dll_wrapper sources must now compile successfully with
  both CEF and Chromium base/ headers (issue #1632).
- The onbeforeunload message specified via JavaScript is no longer
  passed to the client (see http://crbug.com/587940).

libcef/browser/chrome_browser_process_stub.cc

@@ -127,9 +127,13 @@ GpuModeManager* ChromeBrowserProcessStub::gpu_mode_manager() {
 }
 
 void ChromeBrowserProcessStub::CreateDevToolsHttpProtocolHandler(
-    chrome::HostDesktopType host_desktop_type,
     const std::string& ip,
     uint16_t port) {
+  NOTIMPLEMENTED();
+}
+
+void ChromeBrowserProcessStub::CreateDevToolsAutoOpener() {
+  NOTIMPLEMENTED();
 }
 
 unsigned int ChromeBrowserProcessStub::AddRefModule() {
@@ -276,10 +280,10 @@ gcm::GCMDriver* ChromeBrowserProcessStub::gcm_driver() {
   return NULL;
 }
 
-ShellIntegration::DefaultWebClientState
+shell_integration::DefaultWebClientState
 ChromeBrowserProcessStub::CachedDefaultWebClientState() {
   NOTIMPLEMENTED();
-  return ShellIntegration::UNKNOWN_DEFAULT;
+  return shell_integration::UNKNOWN_DEFAULT;
 }
 
 memory::TabManager* ChromeBrowserProcessStub::GetTabManager() {