libcef: Update due to underlying chromium changes.

- Add the printing project and delete duplicated files from the CEF printing directory.
- Add media-related projects and support for <video> and <image> tags.
- Use WebKit::WebHTTPBody instead of net::UploadData for web requests.
- Numerous changes due to continued cleanup of webkit/glue and webkit/api/public.
- Use a separate BrowserWebViewDelegate instance for popup windows.

libcef:
- Add support for printing to file.
- Use WebFrame::GetFullPageHtml() instead of webkit_glue::GetDocumentString().
- Parse extra header values in RequestProxy for passing to CefHandler::HandleBeforeResourceLoad().
- Add urlmon.lib dependency in libcef.vsprops.

tools:
- Add the patch application tool (patcher.py).

patch:
- New project for applying required patches to the Chromium source tree (issue #47).
- Add webkit_glue.patch for http://codereview.chromium.org/160004

cefclient:
- Add new test for submitting and handling requests.
- Don't change navigation button state for popup windows.
- Fix problem on Vista where the string returned by EM_GETLINE is not NULL-terminated.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@32 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tools/patcher.py

@@ -0,0 +1,90 @@
+# Copyright (c) 2009 The Chromium Embedded Framework Authors. All rights
+# reserved. Use of this source code is governed by a BSD-style license that
+# can be found in the LICENSE file.
+
+import pickle
+from optparse import OptionParser
+from os.path import isfile
+import sys
+from file_util import *
+from patch_util import *
+
+
+# cannot be loaded as a module
+if __name__ != "__main__":
+    sys.stderr.write('This file cannot be loaded as a module!')
+    sys.exit()
+    
+
+# parse command-line options
+disc = """
+This utility applies patch files.
+"""
+
+parser = OptionParser(description=disc)
+parser.add_option('--patch-dir', dest='patchdir', metavar='DIR',
+                  help='source directory for patch files')
+(options, args) = parser.parse_args()
+
+# the patchdir option is required
+if options.patchdir is None:
+    parser.print_help(sys.stdout)
+    sys.exit()
+
+# normalize the directory value
+patchdir = options.patchdir.replace('\\', '/')
+if patchdir[-1] != '/':
+    patchdir += '/'
+
+# check if the patching should be skipped
+if isfile(patchdir + 'NOPATCH'):
+    nopatch = True
+    sys.stdout.write('NOPATCH exists -- files have not been patched.\n')
+else:
+    nopatch = False
+    # locate the patch configuration file
+    patchcfg = patchdir + 'patch.cfg'
+    if not isfile(patchcfg):
+        sys.stderr.write('File '+patchcfg+' does not exist.\n')
+        sys.exit()
+    
+    scope = {}
+    execfile(patchcfg, scope)
+    patches = scope["patches"]
+    
+    for name in patches.keys():
+        file = patchdir+'patches/'+name+'.patch'
+        if not isfile(file):
+            sys.stderr.write('Patch file '+file+' does not exist.\n')
+        else:
+            sys.stderr.write('Reading patch file '+file+'\n')
+            dir = patches[name]
+            patchObj = from_file(file)
+            patchObj.apply(dir)
+        
+# read the current include file, if any
+incfile = patchdir + 'patch_state.h'
+if nopatch:
+    incnew = """// This file is generated by the patch tool and should not be edited manually.
+#ifndef _PATCH_STATE_H
+#define _PATCH_STATE_H
+// No patches have been applied to the Chromium/WebKit source base.
+#define CEF_PATCHES_APPLIED    0
+#endif // _PATCH_STATE_H
+"""
+else:
+    incnew = """// This file is generated by the patch tool and should not be edited manually.
+#ifndef _PATCH_STATE_H
+#define _PATCH_STATE_H
+// Patches have been applied to the Chromium/WebKit source base.
+#define CEF_PATCHES_APPLIED    1
+#endif // _PATCH_STATE_H
+"""
+
+inccur = ''
+if isfile(incfile):
+    inccur = read_file(incfile)
+    
+if inccur != incnew:
+    sys.stdout.write('Writing file '+incfile+'.\n')
+    write_file(incfile, incnew)