Suppress a lot of reports on the Memory FYI waterfall

tools/valgrind/memcheck/suppressions.txt

 # There are four kinds of suppressions in this file.
 # 1. third party stuff we have no control over
 #
 # 2. intentional unit test errors, or stuff that is somehow a false positive
 # in our own code, or stuff that is so trivial it's not worth fixing
 #
 # 3. Suppressions for real chromium bugs that are not yet fixed.
 # These should all be in chromium's bug tracking system (but a few aren't yet).
 # Periodically we should sweep this file and the bug tracker clean by
 # running overnight and removing outdated bugs/suppressions.
@@ skipping 841 matching lines @@
    # They may go away if the change to move these off the heap lands.
    bug_17996
    Memcheck:Leak
    ...
    fun:_ZN7WebCore8SVGNames4initEv
 }
 {
    intentional_BrowserThreadTest_NotReleasedIfTargetThreadNonExistent_Test_leak
    Memcheck:Leak
    fun:_Znw*
-   fun:_ZN59BrowserThreadTest_NotReleasedIfTargetThreadNonExistent_Test8TestBodyEv
+   fun:*BrowserThreadTest_NotReleasedIfTargetThreadNonExistent_Test8TestBodyEv
 }
 {
    # This is an on demand initialization which is done and then intentionally
    # kept around (not freed) while the process is running.
    intentional_WebCore_XMLNames_init_leak
    Memcheck:Leak
    ...
    fun:_ZN7WebCore8XMLNames4initEv
 }
 {
@@ skipping 4284 matching lines @@
    fun:malloc
    fun:_Z15sk_malloc_flagsjj
    fun:_Z15sk_malloc_throwj
    fun:_ZN8SkAAClip7RunHead5AllocEij
    fun:_ZN8SkAAClip7Builder6finishEPS_
    ...
    fun:_ZN8SkCanvas19updateDeviceCMCacheEv
    fun:_ZN10SkDrawIterC1EP8SkCanvasb
    fun:_ZN8SkCanvas8draw*ERK6Sk*RK7SkPaint
 }
+{
+   bug_102255
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN15DownloadService18GetDownloadManagerEv
+   fun:_ZN29ExtensionDownloadsEventRouterC*
+   fun:_ZN16ExtensionService16InitEventRoutersEv
+   fun:_ZN16ExtensionService7ObserveEiRKN7content18NotificationSourceERKNS0_19NotificationDetailsE
+   ...
+   fun:_ZN23NotificationServiceImpl6NotifyEiRKN7content18NotificationSourceERKNS0_19NotificationDetailsE
+   fun:_ZN14ProfileManager16OnImportFinishedEP7Profile
+   fun:_ZN22ChromeBrowserMainParts25PreMainMessageLoopRunImplEv
+}
+{
+   bug_102256
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN26AutocompleteHistoryManager15SendSuggestions*
+   fun:_ZN52AutocompleteHistoryManagerTest_ExternalDelegate_Test8TestBodyEv
+}
+{
+   bug_102257
+   Memcheck:Cond
+   ...
+   fun:_ZN2v88internalL6InvokeEbNS0_6HandleINS0_10JSFunctionEEENS1_INS0_6ObjectEEEiPS5_Pb
+   fun:_ZN2v88internal9Execution4CallENS0_6HandleINS0_6ObjectEEES4_iPS4_Pbb
+}
 
 #-----------------------------------------------------------------------
 # 4. These only occur on our Google workstations
 {
    bug_todo_freeres
    Memcheck:Free
    fun:free
    fun:__libc_freeres
    fun:_vgnU_freeres
    fun:_Exit
@@ skipping 17 matching lines @@
    obj:/lib/libselinux.so.1
    obj:/lib/libselinux.so.1
 }
 {
    bug_todo_grep
    Memcheck:Leak
    fun:malloc
    obj:/bin/grep
    obj:/bin/grep
 }