Revert 237048 "When building with component=shared_library on li..."

> When building with component=shared_library on linux, add -rdynamic
> 
> This allows for WTF's BACKTRACE() macro to symbolize stacktraces.
> 
> BUG=none
> R=glider@chromium.org
> 
> Review URL: https://codereview.chromium.org/83553002

TBR=jochen@chromium.org

Review URL: https://codereview.chromium.org/85523003

git-svn-id: http://src.chromium.org/svn/trunk/src/build@237060 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -3488,17 +3488,19 @@
               }],
             ],
           }],
-          ['component=="shared_library"', {
-            # See crbug.com/112389. Also required for BACKTRACE() to work.
-            # TODO(glider): replace with --dynamic-list or something
-            'ldflags': ['-rdynamic'],
-          }],
           ['linux_use_heapchecker==1', {
             'variables': {'linux_use_tcmalloc%': 1},
             'defines': [
                 'USE_HEAPCHECKER',
                 'MEMORY_TOOL_REPLACES_ALLOCATOR',
             ],
+            'conditions': [
+              ['component=="shared_library"', {
+                # See crbug.com/112389
+                # TODO(glider): replace with --dynamic-list or something
+                'ldflags': ['-rdynamic'],
+              }],
+            ],
           }],
           ['linux_use_tcmalloc==0 and android_use_tcmalloc==0', {
             'defines': ['NO_TCMALLOC'],