Enables permission bubbles to remain visible during fulscreen on Mac.

chrome/browser/ui/cocoa/presentation_mode_controller.mm

Index: chrome/browser/ui/cocoa/presentation_mode_controller.mm
diff --git a/chrome/browser/ui/cocoa/presentation_mode_controller.mm b/chrome/browser/ui/cocoa/presentation_mode_controller.mm
index 110629e2d6b5ba6e37d7697d56ee5840e09565fe..2b20af97d6c25322ab811dfbe6f7d82cd73f0abc 100644
--- a/chrome/browser/ui/cocoa/presentation_mode_controller.mm
+++ b/chrome/browser/ui/cocoa/presentation_mode_controller.mm
@@ -166,6 +166,7 @@ const CGFloat kFloatingBarVerticalOffset = 22;
 @implementation PresentationModeController
 
 @synthesize inPresentationMode = inPresentationMode_;
+@synthesize alwaysShowDropdown = alwaysShowDropdown_;
 
 - (id)initWithBrowserController:(BrowserWindowController*)controller {
   if ((self = [super init])) {
@@ -193,6 +194,8 @@ const CGFloat kFloatingBarVerticalOffset = 22;
   enteringPresentationMode_ = YES;
   inPresentationMode_ = YES;
   contentView_ = contentView;
+  if (alwaysShowDropdown_)
+    showDropdown = YES;
   [self changeFloatingBarShownFraction:(showDropdown ? 1 : 0)];
 
   // Register for notifications.  Self is removed as an observer in |-cleanup|.
@@ -237,6 +240,14 @@ const CGFloat kFloatingBarVerticalOffset = 22;
   [self cleanup];
 }
 
+- (void)setAlwaysShowDropdown:(BOOL)alwaysShowDropdown {
+  alwaysShowDropdown_ = alwaysShowDropdown;
+  if (alwaysShowDropdown)
+    [self ensureOverlayShownWithAnimation:YES delay:YES];
+  else
+    [self ensureOverlayHiddenWithAnimation:YES delay:YES];
+}
+
 - (void)windowDidChangeScreen:(NSNotification*)notification {
   [browserController_ resizeFullscreenWindow];
 }
@@ -316,6 +327,8 @@ const CGFloat kFloatingBarVerticalOffset = 22;
 - (void)ensureOverlayHiddenWithAnimation:(BOOL)animate delay:(BOOL)delay {
   if (!inPresentationMode_)
     return;
+  if (alwaysShowDropdown_)
+    return;
 
   if (animate) {
     if (delay) {
@@ -500,6 +513,8 @@ const CGFloat kFloatingBarVerticalOffset = 22;
 }
 
 - (void)setupTrackingArea {
+  if (alwaysShowDropdown_)
+    return;
   if (trackingArea_) {
     // If the tracking rectangle is already |trackingAreaBounds_|, quit early.
     NSRect oldRect = [trackingArea_ rect];
@@ -615,6 +630,7 @@ const CGFloat kFloatingBarVerticalOffset = 22;
 }
 
 - (void)hideTimerFire:(NSTimer*)timer {
+  DCHECK(!alwaysShowDropdown_);
   DCHECK_EQ(hideTimer_, timer);  // This better be our hide timer.
   [hideTimer_ invalidate];       // Make sure it doesn't repeat.
   hideTimer_.reset();            // And get rid of it.