[1/N] Add DIR_METADATA files to directories under //content

Generate DIR_METADATA files and remove metadata from OWNERS
files for directories under //content.

R=boliu@chromium.org, jochen@chromium.org

Bug: 1113033
Change-Id: I0470511febbec67619e7f96381b7df11b0e0e01c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2543248
Commit-Queue: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Auto-Submit: Josip Sokcevic <sokcevic@google.com>
Cr-Commit-Position: refs/heads/master@{#828714}

content/DIR_METADATA

+monorail {
+  component: "Internals>Core"
+}

content/OWNERS

@@ -53,5 +53,3 @@ per-file *.mm=tapted@chromium.org
 
 # Translation artifacts:
 per-file *.xtb=file://tools/translation/TRANSLATION_OWNERS
-
-# COMPONENT: Internals>Core

content/app_shim_remote_cocoa/DIR_METADATA

+monorail {
+  component: "UI"
+}

content/app_shim_remote_cocoa/OWNERS

 ccameron@chromium.org
 lgrey@chromium.org
-
-# COMPONENT: UI
\ No newline at end of file

content/browser/accessibility/DIR_METADATA

+monorail {
+  component: "UI>Accessibility"
+}
+team_email: "chromium-accessibility@chromium.org"

content/browser/accessibility/OWNERS

@@ -11,6 +11,3 @@ per-file *_win*=iapres@microsoft.com
 per-file *test*=kschmi@microsoft.com
 per-file *test*=kbabbitt@microsoft.com
 per-file *test*=iapres@microsoft.com
-
-# TEAM: chromium-accessibility@chromium.org
-# COMPONENT: UI>Accessibility

content/browser/android/DIR_METADATA

+monorail {
+  component: "Content>WebApps"
+}
+os: ANDROID

content/browser/android/OWNERS

@@ -2,6 +2,3 @@ jinsukkim@chromium.org
 skyostil@chromium.org
 tedchoc@chromium.org
 yfriedman@chromium.org
-
-# COMPONENT: Content>WebApps
-# OS: Android

content/browser/appcache/DIR_METADATA

+monorail {
+  component: "Blink>Storage>AppCache"
+}
+team_email: "storage-dev@chromium.org"

content/browser/appcache/OWNERS

@@ -4,6 +4,3 @@ mek@chromium.org
 # Secondary
 pwnall@chromium.org
 jsbell@chromium.org
-
-# TEAM: storage-dev@chromium.org
-# COMPONENT: Blink>Storage>AppCache

content/browser/background_fetch/DIR_METADATA

+monorail {
+  component: "Blink>BackgroundFetch"
+}
+team_email: "platform-capabilities@chromium.org"

content/browser/background_fetch/OWNERS

@@ -6,6 +6,3 @@
 peter@chromium.org
 nator@chromium.org
 rayankans@chromium.org
-
-# TEAM: platform-capabilities@chromium.org
-# COMPONENT: Blink>BackgroundFetch

content/browser/background_sync/DIR_METADATA

+monorail {
+  component: "Blink>BackgroundSync"
+}
+team_email: "platform-capabilities@chromium.org"

content/browser/background_sync/OWNERS

 file://chrome/browser/background_sync/OWNERS
-
-# COMPONENT: Blink>BackgroundSync
-# TEAM: platform-capabilities@chromium.org

content/browser/blob_storage/DIR_METADATA

+monorail {
+  component: "Blink>Storage>FileAPI"
+}
+team_email: "storage-dev@chromium.org"

content/browser/blob_storage/OWNERS

@@ -4,6 +4,3 @@ mek@chromium.org
 
 # Secondary
 pwnall@chromium.org
-
-# TEAM: storage-dev@chromium.org
-# COMPONENT: Blink>Storage>FileAPI

content/browser/bluetooth/DIR_METADATA

+monorail {
+  component: "Blink>Bluetooth"
+}
+team_email: "web-bluetooth@chromium.org"

content/browser/bluetooth/OWNERS

 ortuno@chromium.org
 reillyg@chromium.org
-
-# TEAM: web-bluetooth@chromium.org
-# COMPONENT: Blink>Bluetooth

content/browser/broadcast_channel/DIR_METADATA

+monorail {
+  component: "Blink>Messaging"
+}
+team_email: "platform-architecture-dev@chromium.org"

content/browser/broadcast_channel/OWNERS

 mek@chromium.org
-
-# TEAM: platform-architecture-dev@chromium.org
-# COMPONENT: Blink>Messaging

content/browser/browser_plugin/DIR_METADATA

+monorail {
+  component: "Platform>Apps>BrowserTag"
+}

content/browser/browser_plugin/OWNERS

 file://components/guest_view/OWNERS
-
-# COMPONENT: Platform>Apps>BrowserTag

content/browser/browsing_data/DIR_METADATA

+monorail {
+  component: "Privacy"
+}

content/browser/browsing_data/OWNERS

 dullweber@chromium.org
 jsbell@chromium.org
 msramek@chromium.org
-
-# COMPONENT: Privacy

content/browser/cache_storage/DIR_METADATA

+monorail {
+  component: "Blink>Storage>CacheStorage"
+}
+team_email: "storage-dev@chromium.org"

content/browser/cache_storage/OWNERS

@@ -8,6 +8,3 @@ jsbell@chromium.org
 horo@chromium.org
 nhiroki@chromium.org
 pwnall@chromium.org
-
-# TEAM: storage-dev@chromium.org
-# COMPONENT: Blink>Storage>CacheStorage

content/browser/compositor/DIR_METADATA

+monorail {
+  component: "Internals>Compositing"
+}
+team_email: "graphics-dev@chromium.org"

content/browser/compositor/OWNERS

@@ -3,6 +3,3 @@ ccameron@chromium.org
 kylechar@chromium.org
 
 per-file *viz*=file://components/viz/OWNERS
-
-# COMPONENT: Internals>Compositing
-# TEAM: graphics-dev@chromium.org

content/browser/contacts/DIR_METADATA

+monorail {
+  component: "Blink>Contacts"
+}
+team_email: "platform-capabilities@chromium.org"

content/browser/contacts/OWNERS

 finnur@chromium.org
 peter@chromium.org
-
-# TEAM: platform-capabilities@chromium.org 
-# COMPONENT: Blink>Contacts

content/browser/content_index/DIR_METADATA

+monorail {
+  component: "Blink>ContentIndexing"
+}
+team_email: "platform-capabilities@chromium.org"

content/browser/content_index/OWNERS

 knollr@chromium.org
 peter@chromium.org
 rayankans@chromium.org
-
-# TEAM: platform-capabilities@chromium.org
-# COMPONENT: Blink>ContentIndexing

content/browser/conversions/DIR_METADATA

+monorail {
+  component: "Internals>ConversionMeasurement"
+}
+team_email: "privacy-sandbox-dev@chromium.org"

content/browser/conversions/OWNERS

@@ -3,6 +3,3 @@ johnidel@chromium.org
 
 per-file *.mojom=set noparent
 per-file *.mojom=file://ipc/SECURITY_OWNERS
-
-# TEAM: privacy-sandbox-dev@chromium.org
-# COMPONENT: Internals>ConversionMeasurement

content/browser/cookie_store/DIR_METADATA

+monorail {
+  component: "Blink>Storage>CookiesAPI"
+}
+team_email: "storage-dev@chromium.org"

content/browser/cookie_store/OWNERS

@@ -4,6 +4,3 @@ ayui@chromium.org
 # Secondary
 pwnall@chromium.org
 jsbell@chromium.org
-
-# TEAM: storage-dev@chromium.org
-# COMPONENT: Blink>Storage>CookiesAPI