Remove 10.9 code.

BUG=840435

Change-Id: I9269e6ff0a063fcad38e74b3b04861b8a2a9694c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1600537
Commit-Queue: Avi Drissman <avi@chromium.org>
Auto-Submit: Avi Drissman <avi@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Reviewed-by: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#657756}

base/system/sys_info_mac.mm

@@ -58,15 +58,11 @@ std::string SysInfo::OperatingSystemVersion() {
 void SysInfo::OperatingSystemVersionNumbers(int32_t* major_version,
                                             int32_t* minor_version,
                                             int32_t* bugfix_version) {
-  if (@available(macOS 10.10, *)) {
   NSOperatingSystemVersion version =
       [[NSProcessInfo processInfo] operatingSystemVersion];
   *major_version = version.majorVersion;
   *minor_version = version.minorVersion;
   *bugfix_version = version.patchVersion;
-  } else {
-    NOTREACHED();
-  }
 }
 
 // static

content/browser/accessibility/browser_accessibility_state_impl_mac.mm

@@ -31,7 +31,6 @@ void SetupAccessibilityDisplayOptionsNotifier() {
   // so ensure that we setup the notification on the correct thread.
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  if (@available(macOS 10.10, *)) {
   // Listen to accessibility display options changing, so that we can update
   // the renderer for the prefers reduced motion settings.
   //
@@ -49,7 +48,6 @@ void SetupAccessibilityDisplayOptionsNotifier() {
                   wc->GetRenderViewHost()->OnWebkitPreferencesChanged();
                 }
               }];
-  }
 }
 }  // namespace
 

device/bluetooth/bluetooth_adapter_mac.mm

@@ -101,14 +101,8 @@ base::WeakPtr<BluetoothAdapterMac> BluetoothAdapterMac::CreateAdapterForTest(
 
 // static
 BluetoothUUID BluetoothAdapterMac::BluetoothUUIDWithCBUUID(CBUUID* uuid) {
-  // UUIDString only available OS X >= 10.10.
-  if (@available(macOS 10.10, *)) {
   std::string uuid_c_string = base::SysNSStringToUTF8([uuid UUIDString]);
   return device::BluetoothUUID(uuid_c_string);
-  } else {
-    DCHECK(false);
-    return {};
-  }
 }
 
 // static

services/shape_detection/barcode_detection_impl_mac_unittest.mm

@@ -38,10 +38,7 @@ ACTION_P(RunClosure, closure) {
 
 std::unique_ptr<mojom::BarcodeDetection> CreateBarcodeDetectorImplMacCoreImage(
     mojom::BarcodeDetectorOptionsPtr options) {
-  if (@available(macOS 10.10, *)) {
   return std::make_unique<BarcodeDetectionImplMac>();
-  }
-  return nullptr;
 }
 
 std::unique_ptr<mojom::BarcodeDetection> CreateBarcodeDetectorImplMacVision(

services/shape_detection/barcode_detection_provider_mac.mm

@@ -46,11 +46,8 @@ void BarcodeDetectionProviderMac::CreateBarcodeDetection(
     }
   }
 
-  // CIDetector barcode detection needs at least MAC OS X 10.10.
-  if (@available(macOS 10.10, *)) {
   mojo::MakeStrongBinding(std::make_unique<BarcodeDetectionImplMac>(),
                           std::move(request));
-  }
 }
 
 void BarcodeDetectionProviderMac::EnumerateSupportedFormats(
@@ -77,17 +74,9 @@ void BarcodeDetectionProviderMac::EnumerateSupportedFormats(
     return;
   }
 
-  // Barcode detection needs at least MAC OS X 10.10.
-  if (@available(macOS 10.10, *)) {
   supported_formats_ = std::vector<mojom::BarcodeFormat>(
       BarcodeDetectionImplMac::GetSupportedSymbologies());
   std::move(callback).Run(supported_formats_.value());
-    return;
-  }
-
-  DLOG(ERROR) << "Platform does not support Barcode Detection.";
-  supported_formats_.emplace();
-  std::move(callback).Run({});
 }
 
 }  // namespace shape_detection

ui/accelerated_widget_mac/ca_renderer_layer_tree.mm

@@ -81,12 +81,10 @@ bool AVSampleBufferDisplayLayerEnqueueCVPixelBuffer(
 
   [av_layer enqueueSampleBuffer:sample_buffer];
 
-  if (@available(macOS 10.10, *)) {
   AVQueuedSampleBufferRenderingStatus status = [av_layer status];
   switch (status) {
     case AVQueuedSampleBufferRenderingStatusUnknown:
-        LOG(ERROR)
-            << "AVSampleBufferDisplayLayer has status unknown, but should "
+      LOG(ERROR) << "AVSampleBufferDisplayLayer has status unknown, but should "
                     "be rendering.";
       return false;
     case AVQueuedSampleBufferRenderingStatusFailed:
@@ -97,7 +95,6 @@ bool AVSampleBufferDisplayLayerEnqueueCVPixelBuffer(
     case AVQueuedSampleBufferRenderingStatusRendering:
       break;
   }
-  }
 
   return true;
 }

ui/native_theme/native_theme_mac.mm

@@ -286,7 +286,6 @@ NativeThemeMac::NativeThemeMac() {
           theme->NotifyObservers();
         }]);
   }
-  if (@available(macOS 10.10, *)) {
   if (!IsForcedHighContrast()) {
     set_high_contrast(IsHighContrast());
     __block auto theme = this;
@@ -301,7 +300,6 @@ NativeThemeMac::NativeThemeMac() {
                       theme->NotifyObservers();
                     }];
   }
-  }
 }
 
 NativeThemeMac::~NativeThemeMac() {

ui/views_bridge_mac/bridged_native_widget_impl.mm

@@ -287,15 +287,14 @@ BridgedNativeWidgetImpl::CreateNSWindow(
                         defer:NO]);
       break;
   }
-  if (@available(macOS 10.10, *)) {
+
   if (params->titlebar_appears_transparent)
     [ns_window setTitlebarAppearsTransparent:YES];
-
   if (params->window_title_hidden)
     [ns_window setTitleVisibility:NSWindowTitleHidden];
-  }
   if (params->animation_enabled)
     [ns_window setAnimationBehavior:NSWindowAnimationBehaviorDocumentWindow];
+
   return ns_window;
 }