Improve NaCl support

- Add nacl_make script to build Skia targets for NaCl using gyp
- Add nacl_interface for command-line apps
- Add nacl_sample as front-end for SampleApp
- Add freetype to DEPS
- Various gyp tweaks for NaCl

TODO:
- Implement GL interface
- Implement font host
- Fix plumbing so that SampleApp works properly
Review URL: https://codereview.appspot.com/6671044

git-svn-id: http://skia.googlecode.com/svn/trunk@6245 2bbb7eff-a529-9590-31e7-b0007b416f81

2 files changed, 49 insertions, 1 deletions

diff --git a/include/views/SkOSWindow_NaCl.h b/include/views/SkOSWindow_NaCl.h
new file mode 100644
index 0000000000..8c4ddc6083
--- /dev/null
+++ b/include/views/SkOSWindow_NaCl.h
@@ -0,0 +1,46 @@
+
+/*
+ * Copyright 2012 Skia
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkOSWindow_NaCl_DEFINED
+#define SkOSWindow_NaCl_DEFINED
+
+#include "SkWindow.h"
+
+class SkIRect;
+
+class SkOSWindow : public SkWindow {
+public:
+    SkOSWindow(void*) {}
+    ~SkOSWindow() {}
+
+    enum SkBackEndTypes {
+        kNone_BackEndType,
+        kNativeGL_BackEndType,
+    };
+
+    bool attach(SkBackEndTypes /* attachType */, int /* msaaSampleCount */) {
+        return true;
+    }
+    void detach() {}
+    void present() {}
+
+    virtual void onPDFSaved(const char title[], const char desc[],
+        const char path[]);
+
+protected:
+    // overrides from SkWindow
+    virtual void onHandleInval(const SkIRect&);
+    virtual void onSetTitle(const char title[]);
+
+private:
+    typedef SkWindow INHERITED;
+};
+
+#endif
+
diff --git a/include/views/SkWindow.h b/include/views/SkWindow.h
index f1d3881fe3..ca48e27114 100644
--- a/include/views/SkWindow.h
+++ b/include/views/SkWindow.h
@@ -102,7 +102,9 @@ private:
 
 ////////////////////////////////////////////////////////////////////////////////
 
-#if defined(SK_BUILD_FOR_MAC)
+#if defined(SK_BUILD_FOR_NACL)
+    #include "SkOSWindow_NaCl.h"
+#elif defined(SK_BUILD_FOR_MAC)
     #include "SkOSWindow_Mac.h"
 #elif defined(SK_BUILD_FOR_WIN)
     #include "SkOSWindow_Win.h"