OWNERS files updated with latest COMPONENT and TEAMS.

This is CL is generated by a script. Data is pulled from
review conducted in Q2 2019. See https://tinyurl.com/yxau5sc4
for context.

Please review and LGTM before July 16th or the CL will be
submitted as-is.

NOPRESUBMIT=true
NOTRY=true

Bug: 977050
Change-Id: Id5048dc293a43b0fb0a56cefe71cfcf27843eae5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1700940Reviewed-by: Christos Froussios <cfroussios@chromium.org>
Commit-Queue: Eric Foo <efoo@chromium.org>
Auto-Submit: Eric Foo <efoo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#680256}

chrome/common/mac/OWNERS

@@ -12,3 +12,4 @@ per-file *.mojom=set noparent
 per-file *.mojom=file://ipc/SECURITY_OWNERS
 per-file *.typemap=set noparent
 per-file *.typemap=file://ipc/SECURITY_OWNERS
+# COMPONENT: UI>Browser>WebAppInstalls

chromecast/common/extensions_api/OWNERS

@@ -2,3 +2,4 @@ per-file *_messages.cc=set noparent
 per-file *_messages.cc=file://ipc/SECURITY_OWNERS
 per-file *_messages*.h=set noparent
 per-file *_messages*.h=file://ipc/SECURITY_OWNERS
+# COMPONENT: Platform>Extensions

content/zygote/OWNERS

-file://services/service_manager/zygote/OWNERS
+file://services/service_manager/zygote/OWNERS
\ No newline at end of file
+# COMPONENT: Internals>Sandbox
+# TEAM: security-dev@chromium.org

third_party/crashpad/OWNERS

@@ -15,3 +15,4 @@ rsesek@chromium.org
 scottmg@chromium.org
 
 # TEAM: crashpad-dev@chromium.org
+# COMPONENT: Internals>CrashReporting

third_party/google_toolbox_for_mac/OWNERS

 avi@chromium.org
 mark@chromium.org
 rsesek@chromium.org
+# COMPONENT: Platform>Apps>Feedback

third_party/libsecret/OWNERS

 cfroussios@chromium.org
 dvadym@chromium.org
+# COMPONENT: Internals>LocalDataEncryption
+# TEAM: chromium-dev@chromium.org