Remove the kDisableBrowserPluginCompositing flag.

We are always in compositing mode now, so this flag is not valid and
we are deleting the code paths it would trigger.

R=fsamuel@chromium.org, piman@chromium.org
BUG=362164

Review URL: https://codereview.chromium.org/233393007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@263080 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/login/chrome_restart_request.cc

@@ -71,7 +71,6 @@ std::string DeriveCommandLine(const GURL& start_url,
     ::switches::kDisableAccelerated2dCanvas,
     ::switches::kDisableAcceleratedOverflowScroll,
     ::switches::kDisableAcceleratedVideoDecode,
-    ::switches::kDisableBrowserPluginCompositing,
     ::switches::kDisableDelegatedRenderer,
     ::switches::kDisableFastTextAutosizing,
     ::switches::kDisableFiltersOverIPC,

content/browser/renderer_host/gpu_message_filter.cc

@@ -69,9 +69,7 @@ GpuMessageFilter::GpuMessageFilter(int render_process_id,
 #else
   // Share contexts when compositing webview plugin or using share groups
   // for asynchronous texture uploads.
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kDisableBrowserPluginCompositing) ||
-      CommandLine::ForCurrentProcess()->HasSwitch(
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableShareGroupAsyncTextureUpload))
     share_contexts_ = true;
 #endif

content/browser/renderer_host/render_view_host_impl.cc

@@ -513,16 +513,6 @@ WebPreferences RenderViewHostImpl::GetWebkitPrefs(const GURL& url) {
       switches::kEnableSpatialNavigation);
 
   GetContentClient()->browser()->OverrideWebkitPrefs(this, url, &prefs);
-
-  // Disable compositing in guests until we have compositing path implemented
-  // for guests.
-  bool guest_compositing_enabled = !command_line.HasSwitch(
-      switches::kDisableBrowserPluginCompositing);
-  if (GetProcess()->IsGuest() && !guest_compositing_enabled) {
-    prefs.force_compositing_mode = false;
-    prefs.accelerated_compositing_enabled = false;
-  }
-
   return prefs;
 }
 

content/public/common/content_switches.cc

@@ -119,10 +119,6 @@ const char kDisableApplicationCache[]       = "disable-application-cache";
 // users with many windows/tabs and lots of memory.
 const char kDisableBackingStoreLimit[]      = "disable-backing-store-limit";
 
-// Disable browser plugin compositing experiment.
-const char kDisableBrowserPluginCompositing[] =
-    "disable-browser-plugin-compositing";
-
 // See comment for kEnableCompositingForFixedPosition.
 const char kDisableCompositingForFixedPosition[] =
      "disable-fixed-position-compositing";

content/public/common/content_switches.h

@@ -44,7 +44,6 @@ CONTENT_EXPORT extern const char kDisableAcceleratedVideoDecode[];
 CONTENT_EXPORT extern const char kDisableAltWinstation[];
 CONTENT_EXPORT extern const char kDisableApplicationCache[];
 extern const char kDisableBackingStoreLimit[];
-CONTENT_EXPORT extern const char kDisableBrowserPluginCompositing[];
 CONTENT_EXPORT extern const char kDisableCompositingForFixedPosition[];
 CONTENT_EXPORT extern const char kDisableCompositingForTransition[];
 CONTENT_EXPORT extern const char kDisableDatabases[];