MIPS: modified gypi files to support build

gyp/common_conditions.gypi

 # conditions used in both common.gypi and skia.gyp in chromium
 #
 {
   'defines': [
     'SK_ALLOW_STATIC_GLOBAL_INITIALIZERS=<(skia_static_initializers)',
     'SK_SUPPORT_GPU=<(skia_gpu)',
     'SK_SUPPORT_OPENCL=<(skia_opencl)',
     'SK_FORCE_DISTANCEFIELD_FONTS=<(skia_force_distancefield_fonts)',
   ],
   'conditions' : [
@@ skipping 226 matching lines @@
                   '__ARM_HAVE_OPTIONAL_NEON_SUPPORT',
                 ],
               }],
               [ 'skia_os != "chromeos"', {
                 'cflags': [
                   '-mfloat-abi=softfp',
                 ],
               }],
             ],
           }],
+          [ 'skia_arch_type == "mips"', {
+            'cflags': [
+              '-mips32r2',
+              '-EL',
+            ],
+            'defines': [
+              'SK_CPU_MIPS',
+              'SK_CPU_LENDIAN',
+            ],
+            'conditions': [
+              [ 'mips_dsp == 1', {
+                'defines': [
+                  '__MIPS_HAVE_DSP',
+                ],
+                'variables': {
+                  'SK_MIPS_DSP_REV%': '1',
+                },
+                'cflags': [
+                  '-mdsp',
+                ],
+              }],
+              [ 'mips_dspr2 == 1', {
+                'defines': [
+                  '__MIPS_HAVE_DSP',
+                  '__MIPS_HAVE_DSPR2',
+                ],
+                'variables': {
+                  'SK_MIPS_DSP_REV%': '2',
+                },
+                'cflags': [
+                  '-mdspr2',
+                ],
+              }],
+              [ 'mips_dsp_optional == 1', {
+                'defines': [
+                  '__MIPS_HAVE_OPTIONAL_DSP_SUPPORT',
+                ],
+                'variables': {
+                  'SK_MIPS_DSP_REV%': '1',
+                },
+              }],
+              [ 'mips_dspr2_optional == 1', {
+                'defines': [
+                  '__MIPS_HAVE_OPTIONAL_DSP_SUPPORT',
+                ],
+                'variables': {
+                  'SK_MIPS_DSP_REV%': '2',
+                },
+              }],
+            ],
+          }],
         ],
       },
     ],
 
     ['skia_android_framework', {
       'cflags': [
         # Skia does not enforce this usage pattern so we disable it here to avoid
         # unecessary log spew when building
         '-Wno-unused-parameter',
 
@@ skipping 398 matching lines @@
         'SK_BUILD_JSON_WRITER',
       ]
     }],
 
   ], # end 'conditions'
   # The Xcode SYMROOT must be at the root. See build/common.gypi in chromium for more details
   'xcode_settings': {
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }