cros: Remove default pinned apps trial.

- Remove the trial code;
- Clean up trial local state value;
- Deprecate UMA;

BUG=234415

Review URL: https://codereview.chromium.org/99763005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240770 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 6 deletions

diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index e692887..0bdcf707 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -629,8 +629,6 @@ void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() {
   // This must be called after the local state is initialized.
   browser_field_trials_.SetupFieldTrials(local_state_);
 
-  SetupPlatformFieldTrials();
-
   // Initialize FieldTrialSynchronizer system. This is a singleton and is used
   // for posting tasks via base::Bind. Its deleted when it goes out of scope.
   // Even though base::Bind does AddRef and Release, the object will not be
@@ -1097,10 +1095,6 @@ void ChromeBrowserMainParts::PostBrowserStart() {
 #endif
 }
 
-void ChromeBrowserMainParts::SetupPlatformFieldTrials() {
-  // Base class implementation of this does nothing.
-}
-
 int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
   TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRunImpl");
 #if !defined(OS_ANDROID)