remove SampleXfermodes.cpp (obsolete, as we have it as a GM)

git-svn-id: http://skia.googlecode.com/svn/trunk@5681 2bbb7eff-a529-9590-31e7-b0007b416f81

gyp/SampleApp.gyp

@@ -101,7 +101,6 @@
         '../samplecode/SampleTypeface.cpp',
         '../samplecode/SampleUnitMapper.cpp',
         '../samplecode/SampleVertices.cpp',
-        '../samplecode/SampleXfermodes.cpp',
         '../samplecode/SampleXfermodesBlur.cpp',
         '../samplecode/TransitionView.cpp',
         '../samplecode/TransitionView.h',

gyp/common_variables.gypi

@@ -85,7 +85,7 @@
       'skia_nacl%': 0,
       'skia_gpu%': 1,
       'ios_sdk_version%': '5.1',
-      'skia_osx_sdkroot%': 'macosx10.6',
+      'skia_osx_sdkroot%': 'macosx10.8',
     },
 
     # Re-define all variables defined within the level-2 'variables' dict,

gyp/gmslides.gypi

@@ -1,6 +1,7 @@
 # include this gypi to include all the golden master slides.
 {
   'sources': [
+    '../gm/techtalk1.cpp',
     '../gm/aaclip.cpp',
     '../gm/aarectmodes.cpp',
     '../gm/arithmode.cpp',