Remove Timer::FireNow.

PiperOrigin-RevId: 811123106

internal/platform/implementation/apple/Tests/GNCTimerTest.mm

@@ -103,22 +103,4 @@
   XCTAssertTrue(timer->Stop());
 }
 
-- (void)testFireNow {
-  XCTestExpectation* expectation = [self expectationWithDescription:@"Timer fired"];
-  auto timer = std::make_unique<nearby::apple::Timer>();
-
-  bool fired = false;
-  XCTAssertTrue(timer->Create(1000,  0, [&]() {
-    dispatch_async(dispatch_get_main_queue(), ^{ 
-      fired = true;
-      [expectation fulfill];
-    });
-  }));
-
-  XCTAssertTrue(timer->FireNow());
-
-  [self waitForExpectationsWithTimeout:1.0 handler:nil];
-  XCTAssertTrue(fired);
-}
-
 @end

internal/platform/implementation/apple/timer.h

@@ -37,8 +37,6 @@ class Timer : public api::Timer {
 
   bool Stop() override ABSL_LOCKS_EXCLUDED(mutex_);
 
-  bool FireNow() override ABSL_LOCKS_EXCLUDED(mutex_);
-
  private:
   absl::Mutex mutex_;
   absl::CondVar condvar_ ABSL_GUARDED_BY(mutex_);

internal/platform/implementation/apple/timer.mm

@@ -106,32 +106,5 @@ bool Timer::Stop() {
   return true;
 }
 
-bool Timer::FireNow() {
-  dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void) {
-    absl::AnyInvocable<void()> callback_to_run;
-    {
-      absl::MutexLock lock(&mutex_);
-
-      // Don't fire if there's no callback or if a callback is already in progress.
-      if (!callback_ || callback_running_) {
-        return;
-      }
-      callback_running_ = true;
-      callback_to_run = std::move(callback_);
-    }
-
-    // Execute callback outside of the lock.
-    callback_to_run();
-    {
-      absl::MutexLock lock(&mutex_);
-      callback_ = std::move(callback_to_run);
-      callback_running_ = false;
-      condvar_.Signal();  // Notify Stop() if it's waiting.
-    }
-  });
-
-  return true;
-}
-
 }  // namespace apple
 }  // namespace nearby