Removing valgrind memcheck suppressions for a few FFmpeg-related functions.

The stack traces on these have been incorrect for quite some time. Doing logs analysis on mac/linux media_unittests and layout test results also show that these suppressions haven't been used in the last ~200 runs.

BUG=32360,93932,102016
TBR=glider

Review URL: http://codereview.chromium.org/8836004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113357 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -1770,22 +1770,6 @@
    fun:_ZN24BrowserRenderProcessHost4SendEPN3IPC7MessageE
    fun:_ZN16RenderWidgetHost4SendEPN3IPC7MessageE
 }
-{
-   bug_32360
-   Memcheck:Leak
-   fun:memalign
-   fun:posix_memalign
-   fun:av_malloc
-   fun:av_mallocz
-   fun:vorbis_header
-   fun:ogg_packet
-   fun:ogg_get_headers
-   fun:ogg_read_header
-   fun:av_open_input_stream
-   fun:av_open_input_file
-   fun:av_open_input_file
-   fun:_ZN5media13FFmpegDemuxer14InitializeTaskEPNS_10DataSourceEP14CallbackRunnerI6Tuple0E
-}
 {
    bug_32623
    Memcheck:Leak
@@ -4111,17 +4095,6 @@
    fun:ChromeMain
    fun:main
 }
-{
-   bug_93932
-   Memcheck:Overlap
-   fun:memcpy
-   fun:vp8_decode_update_thread_context
-   ...
-   fun:avcodec_decode_video2
-   fun:_ZN5media23FFmpegVideoDecodeEngine11DecodeFrameE13scoped_refptrINS_6BufferEE
-   fun:_ZN5media23FFmpegVideoDecodeEngine18ConsumeVideoSampleE13scoped_refptrINS_6BufferEE
-   fun:_ZN5media18FFmpegVideoDecoder18OnReadCompleteTaskERK13scoped_refptrINS_6BufferEE
-}
 {
    bug_94195
    Memcheck:Leak
@@ -4886,30 +4859,6 @@
    fun:_ZN7testing8internal11CmpHelperGEIddEENS_15AssertionResultEPKcS4_RKT_RKT0_
    fun:_ZN3gfx31JPEGCodec_EncodeDecodeRGBA_Test8TestBodyEv
 }
-{
-   bug_102016_a
-   Memcheck:Unaddressable
-   fun:_ZN7WebCore15PlatformSupport25loadPlatformAudioResourceEPKcd
-   fun:_ZN7WebCore8AudioBus20loadPlatformResourceEPKcf
-   fun:_ZN7WebCore13HRTFElevation35calculateKernelsForAzimuthElevationEiifRKN3WTF6StringERNS1_6RefPtrINS_10HRTFKernelEEES8_
-   fun:_ZN7WebCore13HRTFElevation16createForSubjectERKN3WTF6StringEif
-   fun:_ZN7WebCore12HRTFDatabaseC1Ef
-   fun:_ZN7WebCore12HRTFDatabase6createEf
-   fun:_ZN7WebCore18HRTFDatabaseLoader4loadEv
-   fun:_ZN7WebCoreL19databaseLoaderEntryEPv
-   fun:_ZN3WTFL16threadEntryPointEPv
-}
-{
-   bug_102016_b
-   Memcheck:Leak
-   fun:posix_memalign
-   ...
-   fun:av_read_frame
-   fun:_ZN5media15AudioFileReader4ReadERKSt6vectorIPfSaIS2_EEj
-   fun:_ZN11webkit_glue19DecodeAudioFileDataEPN6WebKit11WebAudioBusEPKcjd
-   fun:_ZN11webkit_glue25WebKitPlatformSupportImpl17loadAudioResourceEPN6WebKit11WebAudioBusEPKcjd
-   fun:_ZN7WebCore15PlatformSupport19decodeAudioFileDataEPKcjd
-}
 {
    bug_102049_a
    Memcheck:Leak