Fix trailing whitespace in scripts and misc. files

Tools/Scripts/webkitdirs.pm

 # Copyright (C) 2005, 2006, 2007, 2010, 2011, 2012 Apple Inc. All rights reserved.
 # Copyright (C) 2009 Google Inc. All rights reserved.
 # Copyright (C) 2011 Research In Motion Limited. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 #
 # 1.  Redistributions of source code must retain the above copyright
-#     notice, this list of conditions and the following disclaimer. 
+#     notice, this list of conditions and the following disclaimer.
 # 2.  Redistributions in binary form must reproduce the above copyright
 #     notice, this list of conditions and the following disclaimer in the
-#     documentation and/or other materials provided with the distribution. 
+#     documentation and/or other materials provided with the distribution.
 # 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 #     its contributors may be used to endorse or promote products derived
-#     from this software without specific prior written permission. 
+#     from this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
@@ skipping 91 matching lines @@
 
 # Defined in VCSUtils.
 sub exitStatus($);
 
 sub determineSourceDir
 {
     return if $sourceDir;
     $sourceDir = $FindBin::Bin;
     $sourceDir =~ s|/+$||; # Remove trailing '/' as we would die later
 
-    # walks up path checking each directory to see if it is the main WebKit project dir, 
+    # walks up path checking each directory to see if it is the main WebKit project dir,
     # defined by containing Sources, core, and WebKit
     until ((-d "$sourceDir/Source" && -d "$sourceDir/Source/core" && -d "$sourceDir/Source/WebKit") || (-d "$sourceDir/Internal" && -d "$sourceDir/OpenSource"))
     {
         if ($sourceDir !~ s|/[^/]+$||) {
             die "Could not find top level webkit directory above source directory using FindBin.\n";
         }
     }
 
     $sourceDir = "$sourceDir/OpenSource" if -d "$sourceDir/OpenSource";
 }
@@ skipping 1521 matching lines @@
 }
 
 sub setupAppleWinEnv()
 {
     return unless isAppleWinWebKit();
 
     if (isWindowsNT()) {
         my $restartNeeded = 0;
         my %variablesToSet = ();
 
-        # FIXME: We should remove this explicit version check for cygwin once we stop supporting Cygwin 1.7.9 or older versions. 
+        # FIXME: We should remove this explicit version check for cygwin once we stop supporting Cygwin 1.7.9 or older versions.
         # https://bugs.webkit.org/show_bug.cgi?id=85791
         my $uname_version = (POSIX::uname())[2];
         $uname_version =~ s/\(.*\)//;  # Remove the trailing cygwin version, if any.
         if (version->parse($uname_version) < version->parse("1.7.10")) {
             # Setting the environment variable 'CYGWIN' to 'tty' makes cygwin enable extra support (i.e., termios)
             # for UNIX-like ttys in the Windows console
             $variablesToSet{CYGWIN} = "tty" unless $ENV{CYGWIN};
         }
-        
+
         # Those environment variables must be set to be able to build inside Visual Studio.
         $variablesToSet{WEBKITLIBRARIESDIR} = windowsLibrariesDir() unless $ENV{WEBKITLIBRARIESDIR};
         $variablesToSet{WEBKIT_LIBRARIES} = windowsLibrariesDir() unless $ENV{WEBKIT_LIBRARIES};
         $variablesToSet{WEBKITOUTPUTDIR} = windowsOutputDir() unless $ENV{WEBKITOUTPUTDIR};
         $variablesToSet{WEBKIT_OUTPUTDIR} = windowsOutputDir() unless $ENV{WEBKIT_OUTPUTDIR};
         $variablesToSet{WEBKIT_SOURCE} = windowsSourceSourceDir() unless $ENV{WEBKIT_SOURCE};
 
         foreach my $variable (keys %variablesToSet) {
             print "Setting the Environment Variable '" . $variable . "' to '" . $variablesToSet{$variable} . "'\n\n";
             system qw(regtool -s set), '\\HKEY_CURRENT_USER\\Environment\\' . $variable, $variablesToSet{$variable};
             $restartNeeded ||= $variable eq "WEBKITLIBRARIESDIR" || $variable eq "WEBKITOUTPUTDIR" || $variable eq "WEBKIT_LIBRARIES" || $variable eq "WEBKIT_OUTPUTDIR" || $variable eq "WEBKIT_SOURCE";
         }
 
         if ($restartNeeded) {
             print "Please restart your computer before attempting to build inside Visual Studio.\n\n";
         }
     } else {
         if (!$ENV{'WEBKITLIBRARIESDIR'}) {
             # VS2005 version.  This will be removed as part of https://bugs.webkit.org/show_bug.cgi?id=109472.
             print "Warning: You must set the 'WebKitLibrariesDir' environment variable\n";
             print "         to be able build WebKit from within Visual Studio 2005.\n";
             print "         Make sure that 'WebKitLibrariesDir' points to the\n";
             print "         'WebKitLibraries/win' directory, not the 'WebKitLibraries/' directory.\n\n";
         }
         if (!$ENV{'WEBKIT_LIBRARIES'}) {
             # VS2010 (and newer) version. This will replace the VS2005 version as part of
-            # https://bugs.webkit.org/show_bug.cgi?id=109472. 
+            # https://bugs.webkit.org/show_bug.cgi?id=109472.
             print "Warning: You must set the 'WebKit_Libraries' environment variable\n";
             print "         to be able build WebKit from within Visual Studio 2010 and newer.\n";
             print "         Make sure that 'WebKit_Libraries' points to the\n";
             print "         'WebKitLibraries/win' directory, not the 'WebKitLibraries/' directory.\n\n";
         }
         if (!$ENV{'WEBKITOUTPUTDIR'}) {
             # VS2005 version.  This will be removed as part of https://bugs.webkit.org/show_bug.cgi?id=109472.
             print "Warning: You must set the 'WebKitOutputDir' environment variable\n";
             print "         to be able build WebKit from within Visual Studio 2005.\n\n";
         }
         if (!$ENV{'WEBKIT_OUTPUTDIR'}) {
             # VS2010 (and newer) version. This will replace the VS2005 version as part of
-            # https://bugs.webkit.org/show_bug.cgi?id=109472. 
+            # https://bugs.webkit.org/show_bug.cgi?id=109472.
             print "Warning: You must set the 'WebKit_OutputDir' environment variable\n";
             print "         to be able build WebKit from within Visual Studio 2010 and newer.\n\n";
         }
         if (!$ENV{'WEBKIT_SOURCE'}) {
             print "Warning: You must set the 'WebKit_Source' environment variable\n";
             print "         to be able build WebKit from within Visual Studio 2010 and newer.\n\n";
         }
     }
 }
 
@@ skipping 32 matching lines @@
 
     my $qtSDKPath = File::Spec->catdir($programFilesPath, "QuickTime SDK");
     if (0 && ! -e $qtSDKPath) {
         print "*************************************************************\n";
         print "Cannot find '$qtSDKPath'\n";
         print "Please download the QuickTime SDK for Windows from\n";
         print "http://developer.apple.com/quicktime/download/\n";
         print "*************************************************************\n";
         die;
     }
-    
+
     unless ($ENV{WEBKITLIBRARIESDIR}) {
         $ENV{'WEBKITLIBRARIESDIR'} = File::Spec->catdir($sourceDir, "WebKitLibraries", "win");
         chomp($ENV{WEBKITLIBRARIESDIR} = `cygpath -wa '$ENV{WEBKITLIBRARIESDIR}'`) if isCygwin();
     }
     unless ($ENV{WEBKIT_LIBRARIES}) {
         $ENV{'WEBKIT_LIBRARIES'} = File::Spec->catdir($sourceDir, "WebKitLibraries", "win");
         chomp($ENV{WEBKIT_LIBRARIES} = `cygpath -wa '$ENV{WEBKIT_LIBRARIES}'`) if isCygwin();
     }
 
     print "Building results into: ", baseProductDir(), "\n";
@@ skipping 87 matching lines @@
 sub buildVisualStudioProject
 {
     my ($project, $clean) = @_;
     setupCygwinEnv();
 
     my $config = configurationForVisualStudio();
 
     dieIfWindowsPlatformSDKNotInstalled() if $willUseVCExpressWhenBuilding;
 
     chomp($project = `cygpath -w "$project"`) if isCygwin();
-    
+
     my $action = "/build";
     if ($clean) {
         $action = "/clean";
     }
 
     my @command = ($vcBuildPath, $project, $action, $config);
 
     print join(" ", @command), "\n";
     return system @command;
 }
 
 sub downloadWafIfNeeded
 {
     # get / update waf if needed
     my $waf = "$sourceDir/Tools/waf/waf";
     my $wafURL = 'http://wxwebkit.kosoftworks.com/downloads/deps/waf';
     if (!-f $waf) {
         my $result = system "curl -o $waf $wafURL";
         chmod 0755, $waf;
     }
 }
 
 sub buildWafProject
 {
     my ($project, $shouldClean, @options) = @_;
-    
+
     # set the PYTHONPATH for waf
     my $pythonPath = $ENV{'PYTHONPATH'};
     if (!defined($pythonPath)) {
         $pythonPath = '';
     }
     my $sourceDir = sourceDir();
     my $newPythonPath = "$sourceDir/Tools/waf/build:$pythonPath";
     if (isCygwin()) {
         $newPythonPath = `cygpath --mixed --path $newPythonPath`;
     }
     $ENV{'PYTHONPATH'} = $newPythonPath;
-    
+
     print "Building $project\n";
 
     my $wafCommand = "$sourceDir/Tools/waf/waf";
     if ($ENV{'WXWEBKIT_WAF'}) {
         $wafCommand = $ENV{'WXWEBKIT_WAF'};
     }
     if (isCygwin()) {
         $wafCommand = `cygpath --windows "$wafCommand"`;
         chomp($wafCommand);
     }
     if ($shouldClean) {
         return system $wafCommand, "uninstall", "clean", "distclean";
     }
-    
+
     return system $wafCommand, 'configure', 'build', 'install', @options;
 }
 
 sub retrieveQMakespecVar
 {
     my $mkspec = $_[0];
     my $varname = $_[1];
 
     my $varvalue = undef;
     #print "retrieveMakespecVar " . $mkspec . ", " . $varname . "\n";
@@ skipping 809 matching lines @@
     setUpGuardMallocIfNeeded();
 
     my @architectureFlags = ($architectureSwitch, architecture());
     if (!shouldTargetWebProcess()) {
         print "Starting @{[basename($appPath)]} under $debugger with DYLD_FRAMEWORK_PATH set to point to built WebKit in $productDir.\n";
         exec { $debuggerPath } $debuggerPath, @architectureFlags, $argumentsSeparator, $appPath, argumentsForRunAndDebugMacWebKitApp() or die;
     } else {
         if (shouldUseXPCServiceForWebProcess()) {
             die "Targetting the Web Process is not compatible with using an XPC Service for the Web Process at this time.";
         }
-        
+
         my $webProcessShimPath = File::Spec->catfile($productDir, "SecItemShim.dylib");
         my $webProcessPath = File::Spec->catdir($productDir, "WebProcess.app");
         my $webKit2ExecutablePath = File::Spec->catfile($productDir, "WebKit2.framework", "WebKit2");
 
         appendToEnvironmentVariableList("DYLD_INSERT_LIBRARIES", $webProcessShimPath);
 
         print "Starting WebProcess under $debugger with DYLD_FRAMEWORK_PATH set to point to built WebKit in $productDir.\n";
         exec { $debuggerPath } $debuggerPath, @architectureFlags, $argumentsSeparator, $webProcessPath, $webKit2ExecutablePath, "-type", "webprocess", "-client-executable", $appPath or die;
     }
 }
@@ skipping 41 matching lines @@
     }
 
     return 1;
 }
 
 sub debugMiniBrowser
 {
     if (isAppleMacWebKit()) {
         execMacWebKitAppForDebugging(File::Spec->catfile(productDir(), "MiniBrowser.app", "Contents", "MacOS", "MiniBrowser"));
     }
-    
+
     return 1;
 }
 
 sub runWebKitTestRunner
 {
     if (isAppleMacWebKit()) {
         return runMacWebKitApp(File::Spec->catfile(productDir(), "WebKitTestRunner"));
     } elsif (isGtk()) {
         my $productDir = productDir();
         my $injectedBundlePath = "$productDir/Libraries/.libs/libTestRunnerInjectedBundle";
@@ skipping 28 matching lines @@
 
     my $error = system "regtool", "--wow32", "set", "-s", $valueName, $string;
 
     # On Windows Vista/7 with UAC enabled, regtool will fail to modify the registry, but will still
     # return a successful exit code. So we double-check here that the value we tried to write to the
     # registry was really written.
     return !$error && readRegistryString($valueName) eq $string;
 }
 
 1;