mac: Remove code to support OS X 10.10 in //content

AX-Relnotes: n/a.
Bug: 1153883
Change-Id: Iff9f2d2dd72314f04c11b0b87ff2438655a16335
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2572177Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#833503}

content/app_shim_remote_cocoa/render_widget_host_view_cocoa.mm

@@ -9,7 +9,6 @@
 
 #include "base/debug/crash_logging.h"
 #import "base/mac/foundation_util.h"
-#include "base/mac/mac_util.h"
 #include "base/numerics/ranges.h"
 #include "base/stl_util.h"
 #include "base/strings/sys_string_conversions.h"
@@ -1215,38 +1214,6 @@ void ExtractUnderlines(NSAttributedString* string,
   }
 }
 
-- (void)beginGestureWithEvent:(NSEvent*)event {
-  // This method must be handled when linking with the 10.10 SDK or earlier, or
-  // when the app is running on 10.10 or earlier.  In other circumstances, the
-  // event will be handled by |magnifyWithEvent:|, so this method should do
-  // nothing.
-  bool shouldHandle = true;
-#if defined(MAC_OS_X_VERSION_10_11) && \
-    MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11
-  shouldHandle = base::mac::IsAtMostOS10_10();
-#endif
-
-  if (shouldHandle) {
-    [self handleBeginGestureWithEvent:event isSyntheticallyInjected:NO];
-  }
-}
-
-- (void)endGestureWithEvent:(NSEvent*)event {
-  // This method must be handled when linking with the 10.10 SDK or earlier, or
-  // when the app is running on 10.10 or earlier.  In other circumstances, the
-  // event will be handled by |magnifyWithEvent:|, so this method should do
-  // nothing.
-  bool shouldHandle = true;
-#if defined(MAC_OS_X_VERSION_10_11) && \
-    MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11
-  shouldHandle = base::mac::IsAtMostOS10_10();
-#endif
-
-  if (shouldHandle) {
-    [self handleEndGestureWithEvent:event];
-  }
-}
-
 - (void)touchesMovedWithEvent:(NSEvent*)event {
   [_responderDelegate touchesMovedWithEvent:event];
 }
@@ -1304,22 +1271,14 @@ void ExtractUnderlines(NSAttributedString* string,
 //     cancels the gesture, all remaining touches are forwarded to the content
 //     scroll logic. The user cannot trigger the navigation logic again.
 - (void)scrollWheel:(NSEvent*)event {
-#if defined(MAC_OS_X_VERSION_10_11) && \
-    MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11
-  // When linking against the 10.11 (or later) SDK and running on 10.11 or
-  // later, check the phase of the event and specially handle the "begin" and
-  // "end" phases.
-  if (base::mac::IsAtLeastOS10_11()) {
-    if (event.phase == NSEventPhaseBegan) {
-      [self handleBeginGestureWithEvent:event isSyntheticallyInjected:NO];
-    }
+  if (event.phase == NSEventPhaseBegan) {
+    [self handleBeginGestureWithEvent:event isSyntheticallyInjected:NO];
+  }
 
-    if (event.phase == NSEventPhaseEnded ||
-        event.phase == NSEventPhaseCancelled) {
-      [self handleEndGestureWithEvent:event];
-    }
+  if (event.phase == NSEventPhaseEnded ||
+      event.phase == NSEventPhaseCancelled) {
+    [self handleEndGestureWithEvent:event];
   }
-#endif
 
   if (_responderDelegate &&
       [_responderDelegate respondsToSelector:@selector(handleEvent:)]) {
@@ -1350,24 +1309,16 @@ void ExtractUnderlines(NSAttributedString* string,
 
 // Called repeatedly during a pinch gesture, with incremental change values.
 - (void)magnifyWithEvent:(NSEvent*)event {
-#if defined(MAC_OS_X_VERSION_10_11) && \
-    MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11
-  // When linking against the 10.11 (or later) SDK and running on 10.11 or
-  // later, check the phase of the event and specially handle the "begin" and
-  // "end" phases.
-  if (base::mac::IsAtLeastOS10_11()) {
-    if (event.phase == NSEventPhaseBegan) {
-      [self handleBeginGestureWithEvent:event isSyntheticallyInjected:NO];
-      return;
-    }
+  if (event.phase == NSEventPhaseBegan) {
+    [self handleBeginGestureWithEvent:event isSyntheticallyInjected:NO];
+    return;
+  }
 
-    if (event.phase == NSEventPhaseEnded ||
-        event.phase == NSEventPhaseCancelled) {
-      [self handleEndGestureWithEvent:event];
-      return;
-    }
+  if (event.phase == NSEventPhaseEnded ||
+      event.phase == NSEventPhaseCancelled) {
+    [self handleEndGestureWithEvent:event];
+    return;
   }
-#endif
 
   // If this conditional evalutes to true, and the function has not
   // short-circuited from the previous block, then this event is a duplicate of

content/browser/accessibility/browser_accessibility_manager_mac.mm

@@ -183,31 +183,21 @@ void BrowserAccessibilityManagerMac::FireGeneratedEvent(
       if (!focus)
         break;  // Just fire a notification on the root.
 
-      if (base::mac::IsAtLeastOS10_11()) {
-        // |NSAccessibilityPostNotificationWithUserInfo| should be used on OS X
-        // 10.11 or later to notify Voiceover about text selection changes. This
-        // API has been present on versions of OS X since 10.7 but doesn't
-        // appear to be needed by Voiceover before version 10.11.
-        NSDictionary* user_info =
-            GetUserInfoForSelectedTextChangedNotification(focus_changed);
-
-        BrowserAccessibilityManager* root_manager = GetRootManager();
-        if (!root_manager)
-          return;
-        BrowserAccessibility* root = root_manager->GetRoot();
-        if (!root)
-          return;
+      NSDictionary* user_info =
+          GetUserInfoForSelectedTextChangedNotification(focus_changed);
 
-        NSAccessibilityPostNotificationWithUserInfo(
-            ToBrowserAccessibilityCocoa(focus), mac_notification, user_info);
-        NSAccessibilityPostNotificationWithUserInfo(
-            ToBrowserAccessibilityCocoa(root), mac_notification, user_info);
+      BrowserAccessibilityManager* root_manager = GetRootManager();
+      if (!root_manager)
         return;
-      } else {
-        NSAccessibilityPostNotification(ToBrowserAccessibilityCocoa(focus),
-                                        mac_notification);
-      }
-      break;
+      BrowserAccessibility* root = root_manager->GetRoot();
+      if (!root)
+        return;
+
+      NSAccessibilityPostNotificationWithUserInfo(
+          ToBrowserAccessibilityCocoa(focus), mac_notification, user_info);
+      NSAccessibilityPostNotificationWithUserInfo(
+          ToBrowserAccessibilityCocoa(root), mac_notification, user_info);
+      return;
     }
     case ui::AXEventGenerator::Event::EXPANDED:
       if (node->GetRole() == ax::mojom::Role::kRow ||
@@ -330,7 +320,7 @@ void BrowserAccessibilityManagerMac::FireGeneratedEvent(
     case ui::AXEventGenerator::Event::VALUE_IN_TEXT_FIELD_CHANGED:
       DCHECK(node->IsTextField());
       mac_notification = NSAccessibilityValueChangedNotification;
-      if (base::mac::IsAtLeastOS10_11() && !text_edits_.empty()) {
+      if (!text_edits_.empty()) {
         base::string16 deleted_text;
         base::string16 inserted_text;
         int32_t node_id = node->GetId();

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

@@ -11,7 +11,6 @@
 
 #include "base/command_line.h"
 #include "base/containers/queue.h"
-#include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ -1507,26 +1506,14 @@ class RenderWidgetHostViewMacPinchTest
     }
   }
 
-  bool ShouldSendGestureEvents() {
-#if defined(MAC_OS_X_VERSION_10_11) && \
-    MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11
-    return base::mac::IsAtMostOS10_10();
-#endif
-    return true;
-  }
-
   void SendBeginPinchEvent() {
     NSEvent* pinchBeginEvent = MockPinchEvent(NSEventPhaseBegan, 0);
-    if (ShouldSendGestureEvents())
-      [rwhv_cocoa_ beginGestureWithEvent:pinchBeginEvent];
     [rwhv_cocoa_ magnifyWithEvent:pinchBeginEvent];
   }
 
   void SendEndPinchEvent() {
     NSEvent* pinchEndEvent = MockPinchEvent(NSEventPhaseEnded, 0);
     [rwhv_cocoa_ magnifyWithEvent:pinchEndEvent];
-    if (ShouldSendGestureEvents())
-      [rwhv_cocoa_ endGestureWithEvent:pinchEndEvent];
   }
 
   const bool async_events_enabled_;

content/browser/renderer_host/webmenurunner_mac.mm

@@ -81,10 +81,8 @@
   [attrs setObject:paragraphStyle forKey:NSParagraphStyleAttributeName];
 
   if (item->has_text_direction_override) {
-    if (@available(macOS 10.11, *)) {
-      [attrs setObject:@[ @(writingDirection | NSWritingDirectionOverride) ]
-                forKey:NSWritingDirectionAttributeName];
-    }
+    [attrs setObject:@[ @(writingDirection | NSWritingDirectionOverride) ]
+              forKey:NSWritingDirectionAttributeName];
   }
 
   [attrs setObject:[NSFont menuFontOfSize:_fontSize]

content/browser/sandbox_mac_unittest.mm

@@ -264,10 +264,10 @@ TEST_F(SandboxMacTest, FontLoadingTest) {
 MULTIPROCESS_TEST_MAIN(BuiltinAvailable) {
   CheckCreateSeatbeltServer();
 
-  if (__builtin_available(macOS 10.10, *)) {
+  if (__builtin_available(macOS 10.11, *)) {
     // Can't negate a __builtin_available condition. But success!
   } else {
-    return 10;
+    return 11;
   }
 
   if (base::mac::IsAtLeastOS10_13()) {

content/browser/site_per_process_mac_browsertest.mm

@@ -7,7 +7,6 @@
 #include <Cocoa/Cocoa.h>
 
 #include "base/bind.h"
-#include "base/mac/mac_util.h"
 #include "content/browser/renderer_host/render_widget_host_input_event_router.h"
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 #include "content/public/browser/browser_task_traits.h"
@@ -252,14 +251,6 @@ id MockGestureEvent(NSEventType type,
   return event;
 }
 
-bool ShouldSendGestureEvents() {
-#if defined(MAC_OS_X_VERSION_10_11) && \
-    MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11
-  return base::mac::IsAtMostOS10_10();
-#endif
-  return true;
-}
-
 void SendMacTouchpadPinchSequenceWithExpectedTarget(
     RenderWidgetHostViewBase* root_view,
     const gfx::Point& gesture_point,
@@ -271,8 +262,6 @@ void SendMacTouchpadPinchSequenceWithExpectedTarget(
   NSEvent* pinchBeginEvent =
       MockGestureEvent(NSEventTypeMagnify, 0, gesture_point.x(),
                        gesture_point.y(), NSEventPhaseBegan);
-  if (ShouldSendGestureEvents())
-    [cocoa_view beginGestureWithEvent:pinchBeginEvent];
   [cocoa_view magnifyWithEvent:pinchBeginEvent];
   // We don't check the gesture target yet, since on mac the GesturePinchBegin
   // isn't sent until the first PinchUpdate.
@@ -290,8 +279,6 @@ void SendMacTouchpadPinchSequenceWithExpectedTarget(
       MockGestureEvent(NSEventTypeMagnify, 0, gesture_point.x(),
                        gesture_point.y(), NSEventPhaseEnded);
   [cocoa_view magnifyWithEvent:pinchEndEvent];
-  if (ShouldSendGestureEvents())
-    [cocoa_view endGestureWithEvent:pinchEndEvent];
   EXPECT_EQ(nullptr, router_touchpad_gesture_target);
 }
 

content/renderer/theme_helper_mac.mm

@@ -21,7 +21,7 @@ void SystemColorsDidChange(int aqua_color_variant,
 
   // Register the defaults in the NSArgumentDomain, which is considered
   // volatile. Registering in the normal application domain fails from within
-  // the sandbox on 10.10+.
+  // the sandbox.
   [defaults removeVolatileDomainForName:NSArgumentDomain];
 
   NSDictionary* domain_values = @{