Fix third-party license information for a number of projects

tools/licenses.py

Index: tools/licenses.py
diff --git a/tools/licenses.py b/tools/licenses.py
index b01db489da107bfd599742db55a4bb243c092558..28ffe063b6ac991a20801c5f2769ed9869f6a136 100755
--- a/tools/licenses.py
+++ b/tools/licenses.py
@@ -93,13 +93,13 @@ PRUNE_DIRS = ('.svn', '.git',             # VCS metadata
               'layout_tests')             # lots of subdirs
 
 ADDITIONAL_PATHS = (
+    os.path.join('googleurl'),
+    os.path.join('native_client_sdk'),
     # The directory with the word list for Chinese and Japanese segmentation
     # with different license terms than ICU.
     os.path.join('third_party','icu','source','data','brkitr'),
     # Fake directory so we can include the strongtalk license.
     os.path.join('v8', 'strongtalk'),
-    # Fake directory so we can include the google-url license.
-    'googleurl',
 )
 
 
@@ -116,6 +116,19 @@ SPECIAL_CASES = {
         "Name": "Almost Native Graphics Layer Engine",
         "URL": "http://code.google.com/p/angleproject/",
     },
+    os.path.join('third_party', 'cros_system_api'): {
+        "Name": "Chromium OS system API",
+        "URL": "http://www.chromium.org/chromium-os",
+        "License": "BSD",
+        # Absolute path here is resolved as relative to the source root.
+        "License File": "/LICENSE.chromium_os",
+    },
+    os.path.join('third_party', 'GTM'): {
+        "Name": "Google Toolbox for Mac",
+        "URL": "http://code.google.com/p/google-toolbox-for-mac/",
+        "License": "Apache 2.0",
+        "License File": "COPYING",
+    },
     os.path.join('third_party', 'lss'): {
         "Name": "linux-syscall-support",
         "URL": "http://code.google.com/p/lss/",
@@ -124,33 +137,46 @@ SPECIAL_CASES = {
         "Name": "OTS (OpenType Sanitizer)",
         "URL": "http://code.google.com/p/ots/",
     },
+    os.path.join('third_party', 'pdfsqueeze'): {
+        "Name": "pdfsqueeze",
+        "URL": "http://code.google.com/p/pdfsqueeze/",
+        "License": "Apache 2.0",
+        "License File": "COPYING",
+    },
     os.path.join('third_party', 'ppapi'): {
         "Name": "ppapi",
         "URL": "http://code.google.com/p/ppapi/",
     },
+    os.path.join('third_party', 'scons-2.0.1'): {
+        "Name": "scons-2.0.1",
+        "URL": "http://www.scons.org",
+        "License": "MIT",
+    },
+    os.path.join('third_party', 'trace-viewer'): {
+        "Name": "trace-viewer",
+        "URL": "http://code.google.com/p/trace-viewer",
+        "License": "BSD",
+    },
+    os.path.join('third_party', 'v8-i18n'): {
+        "Name": "Internationalization Library for v8",
+        "URL": "http://code.google.com/p/v8-i18n/",
+    },
     os.path.join('third_party', 'WebKit'): {
         "Name": "WebKit",
         "URL": "http://webkit.org/",
+        "License": "BSD and GPL v2",
         # Absolute path here is resolved as relative to the source root.
         "License File": "/webkit/LICENSE",
     },
-    os.path.join('third_party', 'GTM'): {
-        "Name": "Google Toolbox for Mac",
-        "URL": "http://code.google.com/p/google-toolbox-for-mac/",
-        "License File": "COPYING",
-    },
-    os.path.join('third_party', 'pdfsqueeze'): {
-        "Name": "pdfsqueeze",
-        "URL": "http://code.google.com/p/pdfsqueeze/",
-        "License File": "COPYING",
-    },
-    os.path.join('third_party', 'v8-i18n'): {
-        "Name": "Internationalization Library for v8",
-        "URL": "http://code.google.com/p/v8-i18n/",
+    os.path.join('third_party', 'webpagereplay'): {
+        "Name": "webpagereplay",
+        "URL": "http://code.google.com/p/web-page-replay",
+        "License": "Apache 2.0",
     },
     os.path.join('v8', 'strongtalk'): {
         "Name": "Strongtalk",
         "URL": "http://www.strongtalk.org/",
+        # Absolute path here is resolved as relative to the source root.
         "License File": "/v8/LICENSE.strongtalk",
     },
 }
@@ -194,7 +220,8 @@ def ParseDir(path):
         # Try to find README.chromium.
         readme_path = os.path.join(path, 'README.chromium')
         if not os.path.exists(readme_path):
-            raise LicenseError("missing README.chromium")
+            raise LicenseError("missing README.chromium or licenses.py "
+                               "SPECIAL_CASES entry")
 
         for line in open(readme_path):
             line = line.strip()
@@ -236,6 +263,15 @@ def ParseDir(path):
     return metadata
 
 
+def ContainsFiles(path):
+    """Determines whether any files exist in a directory or in any of its
+    subdirectories."""
+    for _, _, files in os.walk(path):
+        if files:
+            return True
+    return False
+
+
 def FindThirdPartyDirs():
     """Find all third_party directories underneath the current directory."""
     third_party_dirs = []
@@ -264,10 +300,17 @@ def FindThirdPartyDirs():
             dirs[:] = []
             continue
 
+        # Don't recurse into paths in ADDITIONAL_PATHS, like we do with regular
+        # third_party/foo paths.
+        if path in ADDITIONAL_PATHS:
+            dirs[:] = []
+
     for dir in ADDITIONAL_PATHS:
         third_party_dirs.append(dir)
 
-    return third_party_dirs
+    # If a directory contains no files, assume it's a DEPS directory for a
+    # project not used by our current configuration and skip it.
+    return [x for x in third_party_dirs if ContainsFiles(x)]
 
 
 def ScanThirdPartyDirs():