Remove non-PIC specializations of media SIMD YUV conversion routines.

media/base/simd/scale_yuv_to_rgb_mmx.inc

Index: media/base/simd/scale_yuv_to_rgb_mmx.inc
diff --git a/media/base/simd/scale_yuv_to_rgb_mmx.inc b/media/base/simd/scale_yuv_to_rgb_mmx.inc
index 2026390ed00bcc27033d0543af6f55ffaf7642a0..a599b0c30a2262569ec0480e2acf9cb4935739ea 100644
--- a/media/base/simd/scale_yuv_to_rgb_mmx.inc
+++ b/media/base/simd/scale_yuv_to_rgb_mmx.inc
@@ -28,34 +28,21 @@ PROLOGUE  6, 7, 3, Y, U, V, ARGB, R1, R2, TEMP
 %define     WORD_SIZE   DWORD
 %endif
 
-%ifdef PIC
   PUSH      R1q  ; Width
-%endif
   PUSH      R2q  ; Source dx
 
 %define     SOURCE_DX   WORD_SIZE [rsp]
 
-; PIC code.
-%ifdef PIC
   LOAD_SYM  R1q, mangle(kCoefficientsRgbY)
 %define     WIDTH       WORD_SIZE [rsp + gprsize]
 %define     TABLE       R1q
 %define     Xq           R2q
 
-; Non-PIC code.
-%else
-%define     WIDTH       R1q
-%define     TABLE       mangle(kCoefficientsRgbY)
-%define     Xq           R2q
-%endif
-
   ; Set Xq index to 0.
   xor       Xq, Xq
   jmp       .scaleend
 
 .scaleloop:
-  ; TABLE can either be a register or a symbol depending on this is
-  ; PIC or not.
   mov       TEMPq, Xq
   sar       TEMPq, 17
   movzx     TEMPd, BYTE [Uq + TEMPq]
@@ -83,8 +70,6 @@ PROLOGUE  6, 7, 3, Y, U, V, ARGB, R1, R2, TEMP
   add       ARGBq, 8
 
 .scaleend:
-  ; WIDTH can either be a register or memory depending on this is
-  ; PIC or not.
   sub       WIDTH, 2
   jns       .scaleloop
 
@@ -109,9 +94,5 @@ PROLOGUE  6, 7, 3, Y, U, V, ARGB, R1, R2, TEMP
   movd      DWORD [ARGBq], mm1
 
 .scaledone:
-%ifdef PIC
   ADD       rsp, 2 * gprsize
-%else
-  ADD       rsp, gprsize
-%endif
   RET