added gtk3 support

chromium-browser-stable.spec

@@ -64,6 +64,10 @@ Patch506:	chromium-43-no-ffmpeg-internal.patch
 Patch507:       issue1688073002_40001.diff
 Patch600:	unbundle-libvpx_new-fix.patch
 
+# AUR patches
+# https://aur.archlinux.org/cgit/aur.git/plain/gtk2_ui.patch?h=chromium-dev
+Patch700:       gtk2_ui.patch
+
 Provides:	%{crname} = %{EVRD}
 Conflicts:	chromium-browser-unstable
 Conflicts:	chromium-browser-beta
@@ -96,6 +100,7 @@ BuildRequires:	pkgconfig(glu)
 BuildRequires:	pkgconfig(gnome-keyring-1)
 BuildRequires:	pkgconfig(gstreamer-plugins-base-1.0)
 BuildRequires:	pkgconfig(gtk+-2.0)
+BuildRequires:	pkgconfig(gtk+-3.0)
 BuildRequires:	pkgconfig(harfbuzz)
 %if 0%{icu}
 BuildRequires:	pkgconfig(icu-i18n)
@@ -303,6 +308,9 @@ find third_party/icu -type f \! -regex '.*\.\(gyp\|gypi\|isolate\)' -delete
 %endif
 #patch600 -p1
 
+# AUR patches
+%patch700 -p1
+
 ### build with widevine support
 
 # Patch from crbug (chromium bugtracker)
@@ -327,7 +335,7 @@ buildconfig+="-Dwerror=
 		-Dlinux_fpic=1
 		-Ddisable_sse2=1
 		-Dcomponent=shared_library
-		-Dtoolkit_uses_gtk=0
+		-Duse_gtk3=1
 		-Ddisable_nacl=1
 		-Ddisable_glibc=0
 		-Ddisable_pnacl=1

gtk2_ui.patch

@@ -0,0 +1,12 @@
+diff --git a/chrome/browser/ui/libgtk2ui/gtk2_ui.cc.orig b/chrome/browser/ui/libgtk2ui/gtk2_ui.cc
+index 4c119c5..1b67ad2 100644
+--- a/chrome/browser/ui/libgtk2ui/gtk2_ui.cc.orig
++++ b/chrome/browser/ui/libgtk2ui/gtk2_ui.cc
+@@ -308,6 +308,7 @@ const double kInactiveSaturation = 0.3;
+ // copy the constants themselves here.
+ //
+ // Default tints.
++const color_utils::HSL kDefaultTintFrameInactive = { -1, -1, 0.75f };
+ const color_utils::HSL kDefaultTintFrameIncognito = { -1, 0.2f, 0.35f };
+ const color_utils::HSL kDefaultTintFrameIncognitoInactive = { -1, 0.3f, 0.6f };
+ const color_utils::HSL kDefaultTintBackgroundTab = { -1, 0.5, 0.75 };