Minor changes to layout to remove variables section. Doxyfile changed to find...

ppapi/c/documentation/Doxyfile

 # Doxyfile 1.7.2
 
 # This file describes the settings to be used by the documentation system
 # doxygen (www.doxygen.org) for a project
 #
 # All text after a hash (#) is considered a comment and will be ignored
 # The format is:
 #       TAG = value [value, ...]
 # For lists items can also be appended using:
 #       TAG += value [value, ...]
@@ skipping 604 matching lines @@
 # The RECURSIVE tag can be used to turn specify whether or not subdirectories
 # should be searched for input files as well. Possible values are YES and NO.
 # If left blank NO is used.
 
 RECURSIVE              = NO
 
 # The EXCLUDE tag can be used to specify files and/or directories that should
 # excluded from the INPUT source files. This way you can easily exclude a
 # subdirectory from a directory tree whose root is specified with the INPUT tag.
 
-EXCLUDE                = ./ppapi/c/pp_macros.h
+EXCLUDE                = ./pp_macros.h
 
 # The EXCLUDE_SYMLINKS tag can be used select whether or not files or
 # directories that are symbolic links (a Unix filesystem feature) are excluded
 # from the input.
 
 EXCLUDE_SYMLINKS       = NO
 
 # If the value of the INPUT tag contains directories, you can use the
 # EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
 # certain files from those directories. Note that the wildcards are matched
@@ skipping 1024 matching lines @@
 # generate a legend page explaining the meaning of the various boxes and
 # arrows in the dot generated graphs.
 
 GENERATE_LEGEND        = YES
 
 # If the DOT_CLEANUP tag is set to YES (the default) Doxygen will
 # remove the intermediate dot files that are used to generate
 # the various graphs.
 
 DOT_CLEANUP            = YES