Fixes for 10.6

* Workaround for rdar://6857649 - NSGradient fails when using LAB Colorspace
* Update sandbox config file for 10.6

BUG=11265
TEST=Open Chrome on 10.6, it should have tabs and the tab title should reflect
the title of the page that's currently loaded.

Review URL: http://codereview.chromium.org/109032

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15328 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 37 insertions, 5 deletions

diff --git a/chrome/browser/cocoa/tab_cell.mm b/chrome/browser/cocoa/tab_cell.mm
index 088f848..fcb398b 100644
--- a/chrome/browser/cocoa/tab_cell.mm
+++ b/chrome/browser/cocoa/tab_cell.mm
@@ -10,6 +10,38 @@
 #define CP1_MULTIPLIER 1.0/3.0
 #define CP2_MULTIPLIER 3.0/8.0
 
+namespace {
+  NSGradient *getGradientForStyle(bool selected, bool active) {
+    // Workaround for
+    //  rdar://6857649 - NSGradient fails when using LAB Colorspace
+    // Once that's fixed we can remove this function and just call through
+    // to -[GTMTheme gradientForStyle:active:] directly with
+    // GTMThemeStyleTabBarSelected/GTMThemeStyleTabBarDeselected
+    NSUInteger startHighlight, endHighlight;
+    if (selected) {
+      startHighlight = GTMColorationLightHighlight;
+      endHighlight = GTMColorationLightMidtone;
+    } else {
+      startHighlight = GTMColorationBaseShadow;
+      endHighlight = GTMColorationBaseShadow;
+    }
+
+    NSColor *backgroundColor = [[GTMTheme defaultTheme] backgroundColor];
+    NSColor *startColor = [backgroundColor gtm_colorAdjustedFor:startHighlight
+                                                          faded:!active];
+    NSColor *endColor = [backgroundColor gtm_colorAdjustedFor:endHighlight
+                                                        faded:!active];
+    NSColorSpace *genericRGB = [NSColorSpace genericRGBColorSpace];
+    startColor = [startColor colorUsingColorSpace:genericRGB];
+    endColor = [endColor colorUsingColorSpace:genericRGB];
+
+    return [[[NSGradient alloc] initWithStartingColor:startColor
+                                          endingColor:endColor]
+               autorelease];
+
+  }
+}  // namespace
+
 @implementation TabCell
 
 - (id)initTextCell:(NSString *)aString {
@@ -75,12 +107,10 @@
   [path lineToPoint:NSMakePoint(bottomRight.x + 1, bottomRight.y)];
   [path lineToPoint:NSMakePoint(bottomRight.x + 1, bottomRight.y + 1)];
 
-  GTMTheme *theme = [GTMTheme defaultTheme];
   NSGradient *gradient = nil;
 
   if (selected) {
-    gradient = [theme gradientForStyle:GTMThemeStyleTabBarSelected
-                                active:active];
+    gradient = getGradientForStyle(true, active);
     // Stroke with a translucent black
     [[NSColor colorWithCalibratedWhite:0.0 alpha:active ? 0.5 : 0.3] set];
     [[NSGraphicsContext currentContext] saveGraphicsState];
@@ -90,8 +120,7 @@
     [path fill];
     [[NSGraphicsContext currentContext] restoreGraphicsState];
   } else {
-    gradient = [theme gradientForStyle:GTMThemeStyleTabBarDeselected
-                                active:active];
+    gradient = getGradientForStyle(false, active);
     // Stroke with a translucent black
     [[NSColor colorWithCalibratedWhite:0.0 alpha:active ? 0.3 : 0.1] set];
   }
diff --git a/chrome/renderer/renderer.sb b/chrome/renderer/renderer.sb
index 8bb1b3d..4c9dadf 100644
--- a/chrome/renderer/renderer.sb
+++ b/chrome/renderer/renderer.sb
@@ -19,3 +19,6 @@
 (allow mach-lookup (global-name "com.apple.FontObjectsServer"))  ; 10.5.6
 (allow mach-lookup (global-name "com.apple.FontServer"))  ; 10.6 seed release
 (allow file-read-data (regex #"^/Library/Fonts"))  ; 10.6 seed release
+
+; Needed for IPC on 10.6
+(allow ipc-posix-shm)