Add ARM (asm) memset routines to skia build

ARM ASM optimized memset routines provide better performance
for platforms (with/without NEON) ,compared to portable C - version

Review URL: http://codereview.chromium.org/8262005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@105310 0039d316-1c4b-4281-b951-d872f2087c98

AUTHORS

@@ -133,3 +133,4 @@ Naveen Bobbili <naveenbobbili@motorola.com>
 Vamshikrishna Yellenki <vamshi@motorola.com>
 Robert Nagy <robert@openbsd.org>
 Nayan Kumar K <qtc746@motorola.com>
+ShankarGanesh K <blr.bmlab@gmail.com>

skia/skia.gyp

@@ -987,9 +987,20 @@
           'sources': [
             '../third_party/skia/src/opts/SkBitmapProcState_opts_arm.cpp',
             '../third_party/skia/src/opts/SkBlitRow_opts_arm.cpp',
-            '../third_party/skia/src/opts/SkUtils_opts_none.cpp',
+            '../third_party/skia/src/opts/opts_check_arm.cpp',
           ],
         }],
+        [ 'armv7 == 1 and arm_neon == 0', {
+          'sources': [
+            '../third_party/skia/src/opts/memset.arm.S',
+        ],
+        }],
+        [ 'armv7 == 1 and arm_neon == 1', {
+          'sources': [
+            '../third_party/skia/src/opts/memset16_neon.S',
+            '../third_party/skia/src/opts/memset32_neon.S',
+        ],
+        }],
       ],
     },
     {