Upstream changes from Chromium Android Clang build.

See https://codereview.chromium.org/11875006/

Change-Id: Ied2a17df2b3222635f84aef120eaa9feb53750d2
diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index 6858d41..7eb7193 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -3466,7 +3466,7 @@
         /* Note that we should not throw out a key frame (especially when
          * spatial resampling is enabled).
          */
-        if ((cm->frame_type == KEY_FRAME))
+        if (cm->frame_type == KEY_FRAME)
         {
             cpi->decimation_count = cpi->decimation_factor;
         }
diff --git a/vp8/vp8_cx_iface.c b/vp8/vp8_cx_iface.c
index 83eecba..b985cb1 100644
--- a/vp8/vp8_cx_iface.c
+++ b/vp8/vp8_cx_iface.c
@@ -1178,7 +1178,9 @@
     {
         int res;
         vpx_scaling_mode_t scalemode = *(vpx_scaling_mode_t *)data ;
-        res = vp8_set_internal_size(ctx->cpi, scalemode.h_scaling_mode, scalemode.v_scaling_mode);
+        res = vp8_set_internal_size(ctx->cpi,
+                                    (VPX_SCALING)scalemode.h_scaling_mode,
+                                    (VPX_SCALING)scalemode.v_scaling_mode);
 
         if (!res)
         {
diff --git a/vp9/vp9_dx_iface.c b/vp9/vp9_dx_iface.c
index 321fdb9..2d7e413 100644
--- a/vp9/vp9_dx_iface.c
+++ b/vp9/vp9_dx_iface.c
@@ -573,7 +573,8 @@
 
     image2yuvconfig(&frame->img, &sd);
 
-    return vp9_set_reference_dec(ctx->pbi, frame->frame_type, &sd);
+    return vp9_set_reference_dec(ctx->pbi,
+                                 (VP9_REFFRAME)frame->frame_type, &sd);
   } else
     return VPX_CODEC_INVALID_PARAM;
 
@@ -591,7 +592,8 @@
 
     image2yuvconfig(&frame->img, &sd);
 
-    return vp9_get_reference_dec(ctx->pbi, frame->frame_type, &sd);
+    return vp9_get_reference_dec(ctx->pbi,
+                                 (VP9_REFFRAME)frame->frame_type, &sd);
   } else
     return VPX_CODEC_INVALID_PARAM;