[iOS] Tweak OpenInNewTab animation

This CL updates the OpenInNewTab animation.

Bug: 865863
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I1138a23bb96c9b81e50f247b5bf2b293df001e60
Reviewed-on: https://chromium-review.googlesource.com/1181128Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584721}

ios/chrome/browser/ui/browser_view_controller.mm

@@ -5433,6 +5433,11 @@ applicationCommandEndpoint:(id<ApplicationCommands>)applicationCommandEndpoint {
 - (void)animateNewTabInBackgroundFromPoint:(CGPoint)originPoint
                             withCompletion:(ProceduralBlock)completion {
   self.inNewTabAnimation = YES;
+
+  // Exit fullscreen if needed.
+  FullscreenControllerFactory::GetInstance()
+      ->GetForBrowserState(_browserState)
+      ->ResetModel();
   const CGFloat kAnimatedViewSize = 50;
   BackgroundTabAnimationView* animatedView = [[BackgroundTabAnimationView alloc]
       initWithFrame:CGRectMake(0, 0, kAnimatedViewSize, kAnimatedViewSize)];

ios/chrome/browser/ui/tabs/background_tab_animation_view.mm

@@ -18,7 +18,6 @@
 
 namespace {
 const CGFloat kImageSize = 28;
-const CGFloat kImageTintColor = 0x1A73E8;
 const CGFloat kMaxScale = 1.3;
 const CGFloat kMinScale = 0.7;
 CGFloat kRotationAngleInRadians = 20.0 / 180 * M_PI;
@@ -107,7 +106,7 @@ CGFloat kRotationAngleInRadians = 20.0 / 180 * M_PI;
             [[UIImage imageNamed:@"open_new_tab_background"]
                 imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]];
     linkImage.translatesAutoresizingMaskIntoConstraints = NO;
-    linkImage.tintColor = UIColorFromRGB(kImageTintColor);
+    linkImage.tintColor = [UIColor colorWithWhite:0.4 alpha:1];
 
     [self addSubview:linkImage];
 

ios/chrome/browser/ui/toolbar/adaptive/adaptive_toolbar_view_controller.mm

@@ -31,7 +31,7 @@
 namespace {
 const CGFloat kRotationInRadians = 5.0 / 180 * M_PI;
 // Scale factor for the animation, must be < 1.
-const CGFloat kScaleFactorDiff = 0.25;
+const CGFloat kScaleFactorDiff = 0.50;
 const CGFloat kTabGridAnimationsTotalDuration = 0.5;
 }  // namespace