s/precendence/precedence/

"precedence" is misspelled as "precendence" in the docs for
the chrome.power API. Fix it there as well as several other
places where it occurs.

BUG=none
TBR=sky@chromium.org,brettw@chromium.org

Review URL: https://codereview.chromium.org/283113002

git-svn-id: http://src.chromium.org/svn/trunk/src/build@270539 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -3892,7 +3892,7 @@
                     'ldflags': [
                       # There seems to be a conflict of --icf and -pie
                       # in gold which can generate crashy binaries. As
-                      # a security measure, -pie takes precendence for
+                      # a security measure, -pie takes precedence for
                       # now.
                       #'-Wl,--icf=safe',
                       '-Wl,--icf=none',

config/compiler/BUILD.gn

@@ -174,7 +174,7 @@ config("compiler") {
 
         # There seems to be a conflict of --icf and -pie in gold which can
         # generate crashy binaries. As a security measure, -pie takes
-        # precendence for now.
+        # precedence for now.
         # TODO(brettw) common.gypi has this only for target toolset.
         #"-Wl,--icf=safe",
         "-Wl,--icf=none",