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();
-  }
+  NSOperatingSystemVersion version =
+      [[NSProcessInfo processInfo] operatingSystemVersion];
+  *major_version = version.majorVersion;
+  *minor_version = version.minorVersion;
+  *bugfix_version = version.patchVersion;
 }
 
 // static

content/browser/accessibility/browser_accessibility_state_impl_mac.mm

@@ -31,25 +31,23 @@ 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.
-    //
-    // BrowserAccessibilityStateImpl is a deliberately leaked singleton, so we
-    // don't need to record the notification token for later cleanup.
-    [[[NSWorkspace sharedWorkspace] notificationCenter]
-        addObserverForName:
-            NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification
-                    object:nil
-                     queue:nil
-                usingBlock:^(NSNotification* notification) {
-                  gfx::Animation::UpdatePrefersReducedMotion();
-                  for (WebContentsImpl* wc :
-                       WebContentsImpl::GetAllWebContents()) {
-                    wc->GetRenderViewHost()->OnWebkitPreferencesChanged();
-                  }
-                }];
-  }
+  // Listen to accessibility display options changing, so that we can update
+  // the renderer for the prefers reduced motion settings.
+  //
+  // BrowserAccessibilityStateImpl is a deliberately leaked singleton, so we
+  // don't need to record the notification token for later cleanup.
+  [[[NSWorkspace sharedWorkspace] notificationCenter]
+      addObserverForName:
+          NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification
+                  object:nil
+                   queue:nil
+              usingBlock:^(NSNotification* notification) {
+                gfx::Animation::UpdatePrefersReducedMotion();
+                for (WebContentsImpl* wc :
+                     WebContentsImpl::GetAllWebContents()) {
+                  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 {};
-  }
+  std::string uuid_c_string = base::SysNSStringToUTF8([uuid UUIDString]);
+  return device::BluetoothUUID(uuid_c_string);
 }
 
 // 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;
+  return std::make_unique<BarcodeDetectionImplMac>();
 }
 
 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));
-  }
+  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({});
+  supported_formats_ = std::vector<mojom::BarcodeFormat>(
+      BarcodeDetectionImplMac::GetSupportedSymbologies());
+  std::move(callback).Run(supported_formats_.value());
 }
 
 }  // namespace shape_detection

ui/accelerated_widget_mac/ca_renderer_layer_tree.mm

@@ -81,22 +81,19 @@ 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 "
-               "be rendering.";
-        return false;
-      case AVQueuedSampleBufferRenderingStatusFailed:
-        LOG(ERROR) << "AVSampleBufferDisplayLayer has status failed, error: "
-                   << [[[av_layer error] description]
-                          cStringUsingEncoding:NSUTF8StringEncoding];
-        return false;
-      case AVQueuedSampleBufferRenderingStatusRendering:
-        break;
-    }
+  AVQueuedSampleBufferRenderingStatus status = [av_layer status];
+  switch (status) {
+    case AVQueuedSampleBufferRenderingStatusUnknown:
+      LOG(ERROR) << "AVSampleBufferDisplayLayer has status unknown, but should "
+                    "be rendering.";
+      return false;
+    case AVQueuedSampleBufferRenderingStatusFailed:
+      LOG(ERROR) << "AVSampleBufferDisplayLayer has status failed, error: "
+                 << [[[av_layer error] description]
+                        cStringUsingEncoding:NSUTF8StringEncoding];
+      return false;
+    case AVQueuedSampleBufferRenderingStatusRendering:
+      break;
   }
 
   return true;

ui/native_theme/native_theme_mac.mm

@@ -286,21 +286,19 @@ NativeThemeMac::NativeThemeMac() {
           theme->NotifyObservers();
         }]);
   }
-  if (@available(macOS 10.10, *)) {
-    if (!IsForcedHighContrast()) {
-      set_high_contrast(IsHighContrast());
-      __block auto theme = this;
-      high_contrast_notification_token_ =
-          [[[NSWorkspace sharedWorkspace] notificationCenter]
-              addObserverForName:
-                  NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification
-                          object:nil
-                           queue:nil
-                      usingBlock:^(NSNotification* notification) {
-                        theme->set_high_contrast(IsHighContrast());
-                        theme->NotifyObservers();
-                      }];
-    }
+  if (!IsForcedHighContrast()) {
+    set_high_contrast(IsHighContrast());
+    __block auto theme = this;
+    high_contrast_notification_token_ =
+        [[[NSWorkspace sharedWorkspace] notificationCenter]
+            addObserverForName:
+                NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification
+                        object:nil
+                         queue:nil
+                    usingBlock:^(NSNotification* notification) {
+                      theme->set_high_contrast(IsHighContrast());
+                      theme->NotifyObservers();
+                    }];
   }
 }
 

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->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;
 }