Bug 839621 - qcms_transform_create can return null, so indirect callers need to be ready for it as well. r=jmuizelaar

gfx/thebes/gfxContext.cpp

@@ -1269,7 +1269,9 @@ gfxContext::SetColor(const gfxRGBA& c)
     if (gfxPlatform::GetCMSMode() == eCMSMode_All) {
 
         gfxRGBA cms;
-        gfxPlatform::TransformPixel(c, cms, gfxPlatform::GetCMSRGBTransform());
+        qcms_transform *transform = gfxPlatform::GetCMSRGBTransform();
+        if (transform)
+          gfxPlatform::TransformPixel(c, cms, transform);
 
         // Use the original alpha to avoid unnecessary float->byte->float
         // conversion errors
@@ -1285,7 +1287,9 @@ gfxContext::SetColor(const gfxRGBA& c)
     if (gfxPlatform::GetCMSMode() == eCMSMode_All) {
 
         gfxRGBA cms;
-        gfxPlatform::TransformPixel(c, cms, gfxPlatform::GetCMSRGBTransform());
+        qcms_transform *transform = gfxPlatform::GetCMSRGBTransform();
+        if (transform)
+          gfxPlatform::TransformPixel(c, cms, transform);
 
         // Use the original alpha to avoid unnecessary float->byte->float
         // conversion errors

gfx/thebes/gfxPattern.cpp

@@ -80,7 +80,9 @@ gfxPattern::AddColorStop(gfxFloat offset, const gfxRGBA& c)
     mStops = NULL;
     if (gfxPlatform::GetCMSMode() == eCMSMode_All) {
         gfxRGBA cms;
-        gfxPlatform::TransformPixel(c, cms, gfxPlatform::GetCMSRGBTransform());
+        qcms_transform *transform = gfxPlatform::GetCMSRGBTransform();
+        if (transform)
+          gfxPlatform::TransformPixel(c, cms, transform);
 
         // Use the original alpha to avoid unnecessary float->byte->float
         // conversion errors
@@ -431,4 +433,4 @@ gfxPattern::AdjustTransformForPattern(Matrix &aPatternTransform,
   // device space to current user space.
   aPatternTransform = aPatternTransform * *aOriginalTransform * mat;
   aPatternTransform.NudgeToIntegers();
-}
+}