Specific information concerning the compilation problem:

http://archive.raspbian.org/raspbian/logs/main/c/chromium-browser.log

Package: chromium-browser
Version: 18.0.1025.151~r130497-1+rpi1
Source Version: 18.0.1025.151~r130497-1+rpi1
Distribution: testing
Architecture: armhf

...

  CXX(target) out/Release/obj.target/content_renderer/content/renderer/p2p/socket_client.o
  CXX(target) out/Release/obj.target/content_renderer/content/renderer/p2p/socket_dispatcher.o
  CXX(target) out/Release/obj.target/content_renderer/content/renderer/gpu/command_buffer_proxy.o
  CXX(target) out/Release/obj.target/content_renderer/content/renderer/media/media_stream_dependency_factory_stub.o
content/renderer/media/media_stream_dependency_factory_stub.cc:11:1: error: 'WebRtcMediaEngine' in namespace 'cricket' does not name a type
content/renderer/media/media_stream_dependency_factory_stub.cc:17:14: error: 'bool MediaStreamDependencyFactory::CreatePeerConnectionFactory' is not a static member of 'class MediaStreamDependencyFactory'
content/renderer/media/media_stream_dependency_factory_stub.cc:17:5: error: 'MediaEngineInterface' is not a member of 'cricket'
content/renderer/media/media_stream_dependency_factory_stub.cc:17:36: error: 'media_engine' was not declared in this scope
content/renderer/media/media_stream_dependency_factory_stub.cc:18:22: error: expected primary-expression before '*' token
content/renderer/media/media_stream_dependency_factory_stub.cc:18:24: error: 'worker_thread' was not declared in this scope
content/renderer/media/media_stream_dependency_factory_stub.cc:18:37: error: expression list treated as compound expression in initializer [-fpermissive]
content/renderer/media/media_stream_dependency_factory_stub.cc:18:39: error: expected ',' or ';' before '{' token
content/renderer/media/media_stream_dependency_factory_stub.cc:22:64: error: no 'void MediaStreamDependencyFactory::DeletePeerConnectionFactory()' member function declared in class 'MediaStreamDependencyFactory'
content/renderer/media/media_stream_dependency_factory_stub.cc:33:52: error: no 'cricket::PortAllocator* MediaStreamDependencyFactory::CreatePortAllocator(content::P2PSocketDispatcher*, talk_base::NetworkManager*, talk_base::PacketSocketFactory*, const webkit_glue::P2PTransport::Config&)' member function declared in class 'MediaStreamDependencyFactory'
content/renderer/media/media_stream_dependency_factory_stub.cc:37:25: error: prototype for 'webrtc::PeerConnection* MediaStreamDependencyFactory::CreatePeerConnection(cricket::PortAllocator*, talk_base::Thread*)' does not match any in class 'MediaStreamDependencyFactory'
./content/renderer/media/media_stream_dependency_factory.h:57:7: error: candidate is: virtual talk_base::scoped_refptr<webrtc::PeerConnectionInterface> MediaStreamDependencyFactory::CreatePeerConnection(const string&, webrtc::PeerConnectionObserver*)
make[1]: *** [out/Release/obj.target/content_renderer/content/renderer/media/media_stream_dependency_factory_stub.o] Error 1
make[1]: Leaving directory `/«PKGBUILDDIR»/src'
make: *** [debian/stamp-makefile-build] Error 2
dpkg-buildpackage: error: debian/rules build-arch gave error exit status 2
────────────────────────────────────────────────────────────────────────────────
Build finished at 20120604-2130

Finished
────────

E: Build failure (dpkg-buildpackage died)

Architecture: armhf
Build-Space: 5311680
Build-Time: 83018
Distribution: testing
Fail-Stage: build
Install-Time: 498
Job: chromium-browser_18.0.1025.151~r130497-1+rpi1
Package: chromium-browser
Package-Time: 84542
Source-Version: 18.0.1025.151~r130497-1+rpi1
Space: 5311680
Status: attempted
Version: 18.0.1025.151~r130497-1+rpi1
────────────────────────────────────────────────────────────────────────────────
Finished at 20120604-2130
Build needed 23:29:02, 5311680k disc space